diff --git a/README.md b/README.md
index aa5f634..dacdf9e 100644
--- a/README.md
+++ b/README.md
@@ -60,7 +60,7 @@
 - [X] Исправить частичное применение тем на лету
 - [X] Исправить наложение подписей скриншотов при первом перелистывании в полноэкранном режиме
 - [ ] Добавить поддержку GOG (?)
-- [ ] Определиться с названием (PortProtonQt или PortProtonQT или вообще третий вариант)
+- [X] Определиться с названием (PortProtonQt или PortProtonQT или вообще третий вариант)
 - [ ] Добавить данные с HowLongToBeat на страницу с деталями игры (?)
 - [ ] Добавить виброотдачу на геймпаде при запуске игры (?)
 
diff --git a/dev-scripts/l10n.py b/dev-scripts/l10n.py
index 4acbb5b..6a9ff5c 100755
--- a/dev-scripts/l10n.py
+++ b/dev-scripts/l10n.py
@@ -106,7 +106,7 @@ def compile_locales() -> None:
 def extract_strings() -> None:
     input_dir = (Path(__file__).parent.parent / "portprotonqt").resolve()
     CommandLineInterface().run([
-        "pybabel", "extract", "--project=PortProtonQT",
+        "pybabel", "extract", "--project=PortProtonQt",
         f"--version={_get_version()}",
         "--strip-comment-tag",
         "--no-location",
@@ -231,7 +231,7 @@ def main(args) -> int:
     return 0
 
 if __name__ == "__main__":
-    parser = argparse.ArgumentParser(prog="l10n", description="Localization utility for PortProtonQT.")
+    parser = argparse.ArgumentParser(prog="l10n", description="Localization utility for PortProtonQt.")
     parser.add_argument("--create-new", nargs='+', type=str, default=False, help="Create .po for new locales")
     parser.add_argument("--update-all", action='store_true', help="Extract/update locales and update README coverage")
     parser.add_argument("--spellcheck", action='store_true', help="Run spellcheck on POT and PO files")
diff --git a/portprotonqt/cli.py b/portprotonqt/cli.py
index ed7d096..f781dfc 100644
--- a/portprotonqt/cli.py
+++ b/portprotonqt/cli.py
@@ -7,7 +7,7 @@ def parse_args():
     """
     Парсит аргументы командной строки.
     """
-    parser = argparse.ArgumentParser(description="PortProtonQT CLI")
+    parser = argparse.ArgumentParser(description="PortProtonQt CLI")
     parser.add_argument(
         "--fullscreen",
         action="store_true",
diff --git a/portprotonqt/config_utils.py b/portprotonqt/config_utils.py
index 3c9ca86..cf40558 100644
--- a/portprotonqt/config_utils.py
+++ b/portprotonqt/config_utils.py
@@ -10,7 +10,7 @@ _portproton_location = None
 # Пути к конфигурационным файлам
 CONFIG_FILE = os.path.join(
     os.getenv("XDG_CONFIG_HOME", os.path.join(os.path.expanduser("~"), ".config")),
-    "PortProtonQT.conf"
+    "PortProtonQt.conf"
 )
 
 PORTPROTON_CONFIG_FILE = os.path.join(
@@ -21,7 +21,7 @@ PORTPROTON_CONFIG_FILE = os.path.join(
 # Пути к папкам с темами
 xdg_data_home = os.getenv("XDG_DATA_HOME", os.path.join(os.path.expanduser("~"), ".local", "share"))
 THEMES_DIRS = [
-    os.path.join(xdg_data_home, "PortProtonQT", "themes"),
+    os.path.join(xdg_data_home, "PortProtonQt", "themes"),
     os.path.join(os.path.dirname(os.path.abspath(__file__)), "themes")
 ]
 
@@ -472,14 +472,14 @@ def reset_config():
 
 def clear_cache():
     """
-    Очищает кэш PortProtonQT, удаляя папку кэша.
+    Очищает кэш PortProtonQt, удаляя папку кэша.
     """
     xdg_cache_home = os.getenv("XDG_CACHE_HOME", os.path.join(os.path.expanduser("~"), ".cache"))
-    cache_dir = os.path.join(xdg_cache_home, "PortProtonQT")
+    cache_dir = os.path.join(xdg_cache_home, "PortProtonQt")
     if os.path.exists(cache_dir):
         try:
             shutil.rmtree(cache_dir)
-            logger.info("Кэш PortProtonQT удалён: %s", cache_dir)
+            logger.info("Кэш PortProtonQt удалён: %s", cache_dir)
         except Exception as e:
             logger.error("Ошибка при удалении кэша: %s", e)
 
diff --git a/portprotonqt/context_menu_manager.py b/portprotonqt/context_menu_manager.py
index ad853c5..4e5772b 100644
--- a/portprotonqt/context_menu_manager.py
+++ b/portprotonqt/context_menu_manager.py
@@ -12,7 +12,7 @@ from portprotonqt.steam_api import is_game_in_steam, add_to_steam, remove_from_s
 from portprotonqt.dialogs import AddGameDialog
 
 class ContextMenuManager:
-    """Manages context menu actions for game management in PortProtonQT."""
+    """Manages context menu actions for game management in PortProtonQt."""
 
     def __init__(self, parent, portproton_location, theme, load_games_callback, update_game_grid_callback):
         """
@@ -258,7 +258,7 @@ class ContextMenuManager:
                 "XDG_DATA_HOME",
                 os.path.join(os.path.expanduser("~"), ".local", "share")
             )
-            custom_folder = os.path.join(xdg_data_home, "PortProtonQT", "custom_data", exe_name)
+            custom_folder = os.path.join(xdg_data_home, "PortProtonQt", "custom_data", exe_name)
             if os.path.exists(custom_folder):
                 try:
                     shutil.rmtree(custom_folder)
@@ -417,7 +417,7 @@ class ContextMenuManager:
                     "XDG_DATA_HOME",
                     os.path.join(os.path.expanduser("~"), ".local", "share")
                 )
-                custom_folder = os.path.join(xdg_data_home, "PortProtonQT", "custom_data", exe_name)
+                custom_folder = os.path.join(xdg_data_home, "PortProtonQt", "custom_data", exe_name)
                 os.makedirs(custom_folder, exist_ok=True)
 
                 ext = os.path.splitext(new_cover_path)[1].lower()
diff --git a/portprotonqt/downloader.py b/portprotonqt/downloader.py
index 8118b39..0e8e610 100644
--- a/portprotonqt/downloader.py
+++ b/portprotonqt/downloader.py
@@ -303,7 +303,7 @@ class Downloader(QObject):
 
         local_path = os.path.join(
             os.getenv("XDG_CACHE_HOME", os.path.join(os.path.expanduser("~"), ".cache")),
-            "PortProtonQT", "legendary_cache", "legendary"
+            "PortProtonQt", "legendary_cache", "legendary"
         )
 
         logger.info(f"Downloading legendary binary version {version} from {binary_url} to {local_path}")
diff --git a/portprotonqt/egs_api.py b/portprotonqt/egs_api.py
index a80a295..8f12c3f 100644
--- a/portprotonqt/egs_api.py
+++ b/portprotonqt/egs_api.py
@@ -22,7 +22,7 @@ def get_cache_dir() -> Path:
         "XDG_CACHE_HOME",
         os.path.join(os.path.expanduser("~"), ".cache")
     )
-    cache_dir = Path(xdg_cache_home) / "PortProtonQT"
+    cache_dir = Path(xdg_cache_home) / "PortProtonQt"
     cache_dir.mkdir(parents=True, exist_ok=True)
     return cache_dir
 
@@ -36,7 +36,7 @@ def get_egs_game_description_async(
     Asynchronously fetches the game description from the Epic Games Store API.
     Prioritizes GraphQL API with namespace for slug and description.
     Falls back to legacy API if GraphQL provides a slug but no description.
-    Caches results in ~/.cache/PortProtonQT/egs_app_{app_name}.json.
+    Caches results in ~/.cache/PortProtonQt/egs_app_{app_name}.json.
     Handles DNS resolution failures gracefully.
     """
     cache_dir = get_cache_dir()
@@ -423,7 +423,7 @@ def _continue_loading_egs_games(legendary_path: str, callback: Callable[[list[tu
             except Exception as e:
                 logger.warning("Error processing metadata for %s: %s", app_name, str(e))
 
-            image_folder = os.path.join(os.getenv("XDG_CACHE_HOME", os.path.join(os.path.expanduser("~"), ".cache")), "PortProtonQT", "images")
+            image_folder = os.path.join(os.getenv("XDG_CACHE_HOME", os.path.join(os.path.expanduser("~"), ".cache")), "PortProtonQt", "images")
             local_path = os.path.join(image_folder, f"{app_name}.jpg") if cover_url else ""
 
             def on_description_fetched(api_description: str):
diff --git a/portprotonqt/image_utils.py b/portprotonqt/image_utils.py
index 0c2dda5..922f23f 100644
--- a/portprotonqt/image_utils.py
+++ b/portprotonqt/image_utils.py
@@ -35,10 +35,9 @@ def load_pixmap_async(cover: str, width: int, height: int, callback: Callable[[Q
             y = (scaled.height() - height) // 2
             cropped = scaled.copy(x, y, width, height)
             callback(cropped)
-            # Removed: pixmap = None (unnecessary, causes type error)
 
         xdg_cache_home = os.getenv("XDG_CACHE_HOME", os.path.join(os.path.expanduser("~"), ".cache"))
-        image_folder = os.path.join(xdg_cache_home, "PortProtonQT", "images")
+        image_folder = os.path.join(xdg_cache_home, "PortProtonQt", "images")
         os.makedirs(image_folder, exist_ok=True)
 
         if cover and cover.startswith("https://steamcdn-a.akamaihd.net/steam/apps/"):
diff --git a/portprotonqt/locales/de_DE/LC_MESSAGES/messages.mo b/portprotonqt/locales/de_DE/LC_MESSAGES/messages.mo
index f5b8824..c07c511 100644
Binary files a/portprotonqt/locales/de_DE/LC_MESSAGES/messages.mo and b/portprotonqt/locales/de_DE/LC_MESSAGES/messages.mo differ
diff --git a/portprotonqt/locales/de_DE/LC_MESSAGES/messages.po b/portprotonqt/locales/de_DE/LC_MESSAGES/messages.po
index 16abdbe..b4d17ec 100644
--- a/portprotonqt/locales/de_DE/LC_MESSAGES/messages.po
+++ b/portprotonqt/locales/de_DE/LC_MESSAGES/messages.po
@@ -1,6 +1,6 @@
-# German (Germany) translations for PortProtonQT.
+# German (Germany) translations for PortProtonQt.
 # Copyright (C) 2025 boria138
-# This file is distributed under the same license as the PortProtonQT
+# This file is distributed under the same license as the PortProtonQt
 # project.
 # FIRST AUTHOR <EMAIL@ADDRESS>, 2025.
 #
@@ -9,7 +9,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PROJECT VERSION\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2025-06-08 22:55+0500\n"
+"POT-Creation-Date: 2025-06-09 09:53+0500\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language: de_DE\n"
diff --git a/portprotonqt/locales/es_ES/LC_MESSAGES/messages.mo b/portprotonqt/locales/es_ES/LC_MESSAGES/messages.mo
index 7407abf..4321219 100644
Binary files a/portprotonqt/locales/es_ES/LC_MESSAGES/messages.mo and b/portprotonqt/locales/es_ES/LC_MESSAGES/messages.mo differ
diff --git a/portprotonqt/locales/es_ES/LC_MESSAGES/messages.po b/portprotonqt/locales/es_ES/LC_MESSAGES/messages.po
index 482a778..6f0217d 100644
--- a/portprotonqt/locales/es_ES/LC_MESSAGES/messages.po
+++ b/portprotonqt/locales/es_ES/LC_MESSAGES/messages.po
@@ -1,6 +1,6 @@
-# Spanish (Spain) translations for PortProtonQT.
+# Spanish (Spain) translations for PortProtonQt.
 # Copyright (C) 2025 boria138
-# This file is distributed under the same license as the PortProtonQT
+# This file is distributed under the same license as the PortProtonQt
 # project.
 # FIRST AUTHOR <EMAIL@ADDRESS>, 2025.
 #
@@ -9,7 +9,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PROJECT VERSION\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2025-06-08 22:55+0500\n"
+"POT-Creation-Date: 2025-06-09 09:53+0500\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language: es_ES\n"
diff --git a/portprotonqt/locales/messages.pot b/portprotonqt/locales/messages.pot
index 85236e1..9e57c3a 100644
--- a/portprotonqt/locales/messages.pot
+++ b/portprotonqt/locales/messages.pot
@@ -1,15 +1,15 @@
-# Translations template for PortProtonQT.
+# Translations template for PortProtonQt.
 # Copyright (C) 2025 boria138
-# This file is distributed under the same license as the PortProtonQT
+# This file is distributed under the same license as the PortProtonQt
 # project.
 # FIRST AUTHOR <EMAIL@ADDRESS>, 2025.
 #
 #, fuzzy
 msgid ""
 msgstr ""
-"Project-Id-Version: PortProtonQT 0.1.1\n"
+"Project-Id-Version: PortProtonQt 0.1.1\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2025-06-08 22:55+0500\n"
+"POT-Creation-Date: 2025-06-09 09:53+0500\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
diff --git a/portprotonqt/locales/ru_RU/LC_MESSAGES/messages.mo b/portprotonqt/locales/ru_RU/LC_MESSAGES/messages.mo
index e5a07da..e77f989 100644
Binary files a/portprotonqt/locales/ru_RU/LC_MESSAGES/messages.mo and b/portprotonqt/locales/ru_RU/LC_MESSAGES/messages.mo differ
diff --git a/portprotonqt/locales/ru_RU/LC_MESSAGES/messages.po b/portprotonqt/locales/ru_RU/LC_MESSAGES/messages.po
index ca200aa..6e85830 100644
--- a/portprotonqt/locales/ru_RU/LC_MESSAGES/messages.po
+++ b/portprotonqt/locales/ru_RU/LC_MESSAGES/messages.po
@@ -1,6 +1,6 @@
-# Russian (Russia) translations for PortProtonQT.
+# Russian (Russia) translations for PortProtonQt.
 # Copyright (C) 2025 boria138
-# This file is distributed under the same license as the PortProtonQT
+# This file is distributed under the same license as the PortProtonQt
 # project.
 # FIRST AUTHOR <EMAIL@ADDRESS>, 2025.
 #
@@ -9,9 +9,9 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PROJECT VERSION\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2025-06-08 22:55+0500\n"
-"PO-Revision-Date: 2025-06-08 22:55+0500\n"
-"Last-Translator: \n"
+"POT-Creation-Date: 2025-06-09 09:53+0500\n"
+"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
+"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language: ru_RU\n"
 "Language-Team: ru_RU <LL@li.org>\n"
 "Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && "
diff --git a/portprotonqt/main_window.py b/portprotonqt/main_window.py
index 2153923..9660140 100644
--- a/portprotonqt/main_window.py
+++ b/portprotonqt/main_window.py
@@ -44,7 +44,7 @@ from datetime import datetime
 logger = get_logger(__name__)
 
 class MainWindow(QMainWindow):
-    """Main window of PortProtonQT."""
+    """Main window of PortProtonQt."""
     settings_saved = Signal()
     games_loaded = Signal(list)
     update_progress = Signal(int)  # Signal to update progress bar
@@ -73,10 +73,10 @@ class MainWindow(QMainWindow):
         self.settingsDebounceTimer.timeout.connect(self.applySettingsDelayed)
 
         read_time_config()
-        # Set LEGENDARY_CONFIG_PATH to ~/.cache/PortProtonQT/legendary
+        # Set LEGENDARY_CONFIG_PATH to ~/.cache/PortProtonQt/legendary_cache
         self.legendary_config_path = os.path.join(
             os.getenv("XDG_CACHE_HOME", os.path.join(os.path.expanduser("~"), ".cache")),
-            "PortProtonQT", "legendary_cache"
+            "PortProtonQt", "legendary_cache"
         )
         os.makedirs(self.legendary_config_path, exist_ok=True)
         os.environ["LEGENDARY_CONFIG_PATH"] = self.legendary_config_path
@@ -98,7 +98,7 @@ class MainWindow(QMainWindow):
         if not self.theme:
             self.theme = default_styles
         self.card_width = read_card_size()
-        self.setWindowTitle("PortProtonQT")
+        self.setWindowTitle("PortProtonQt")
         self.setMinimumSize(800, 600)
 
         self.games = []
@@ -384,7 +384,7 @@ class MainWindow(QMainWindow):
         builtin_custom_folder = os.path.join(repo_root, "portprotonqt", "custom_data")
         xdg_data_home = os.getenv("XDG_DATA_HOME",
                                 os.path.join(os.path.expanduser("~"), ".local", "share"))
-        user_custom_folder = os.path.join(xdg_data_home, "PortProtonQT", "custom_data")
+        user_custom_folder = os.path.join(xdg_data_home, "PortProtonQt", "custom_data")
         os.makedirs(user_custom_folder, exist_ok=True)
 
         builtin_cover = ""
@@ -780,7 +780,7 @@ class MainWindow(QMainWindow):
                         os.path.join(os.path.expanduser("~"), ".local", "share"))
                     custom_folder = os.path.join(
                         xdg_data_home,
-                        "PortProtonQT",
+                        "PortProtonQt",
                         "custom_data",
                         exe_name
                     )
@@ -1228,7 +1228,7 @@ class MainWindow(QMainWindow):
                     self.statusBar().showMessage(_("Theme '{0}' applied successfully").format(selected_theme), 3000)
                     xdg_data_home = os.getenv("XDG_DATA_HOME",
                                             os.path.join(os.path.expanduser("~"), ".local", "share"))
-                    state_file = os.path.join(xdg_data_home, "PortProtonQT", "state.txt")
+                    state_file = os.path.join(xdg_data_home, "PortProtonQt", "state.txt")
                     os.makedirs(os.path.dirname(state_file), exist_ok=True)
                     with open(state_file, "w", encoding="utf-8") as f:
                         f.write("theme_tab\n")
@@ -1251,7 +1251,7 @@ class MainWindow(QMainWindow):
     def restore_state(self):
         """Восстанавливает состояние приложения после перезапуска."""
         xdg_cache_home = os.getenv("XDG_CACHE_HOME", os.path.join(os.path.expanduser("~"), ".cache"))
-        state_file = os.path.join(xdg_cache_home, "PortProtonQT", "state.txt")
+        state_file = os.path.join(xdg_cache_home, "PortProtonQt", "state.txt")
         if os.path.exists(state_file):
             with open(state_file, encoding="utf-8") as f:
                 state = f.read().strip()
diff --git a/portprotonqt/steam_api.py b/portprotonqt/steam_api.py
index 514ba73..fed091e 100644
--- a/portprotonqt/steam_api.py
+++ b/portprotonqt/steam_api.py
@@ -49,7 +49,7 @@ def decode_text(text: str) -> str:
 def get_cache_dir():
     """Возвращает путь к каталогу кэша, создаёт его при необходимости."""
     xdg_cache_home = os.getenv("XDG_CACHE_HOME", os.path.join(os.path.expanduser("~"), ".cache"))
-    cache_dir = os.path.join(xdg_cache_home, "PortProtonQT")
+    cache_dir = os.path.join(xdg_cache_home, "PortProtonQt")
     os.makedirs(cache_dir, exist_ok=True)
     return cache_dir
 
diff --git a/portprotonqt/theme_manager.py b/portprotonqt/theme_manager.py
index 0686e7d..428b069 100644
--- a/portprotonqt/theme_manager.py
+++ b/portprotonqt/theme_manager.py
@@ -11,7 +11,7 @@ logger = get_logger(__name__)
 # Папка, где располагаются все дополнительные темы
 xdg_data_home = os.getenv("XDG_DATA_HOME", os.path.join(os.path.expanduser("~"), ".local", "share"))
 THEMES_DIRS = [
-    os.path.join(xdg_data_home, "PortProtonQT", "themes"),
+    os.path.join(xdg_data_home, "PortProtonQt", "themes"),
     os.path.join(os.path.dirname(os.path.abspath(__file__)), "themes")
 ]
 
diff --git a/portprotonqt/themes/standart-light/metainfo.ini b/portprotonqt/themes/standart-light/metainfo.ini
index 1b5282d..e899572 100644
--- a/portprotonqt/themes/standart-light/metainfo.ini
+++ b/portprotonqt/themes/standart-light/metainfo.ini
@@ -1,5 +1,5 @@
 [Metainfo]
 author = BlackSnaker
 author_link =
-description = Стандартная тема PortProtonQT (светлый вариант)
+description = Стандартная тема PortProtonQt (светлый вариант)
 name = Light
diff --git a/portprotonqt/themes/standart/metainfo.ini b/portprotonqt/themes/standart/metainfo.ini
index 3814979..78b9340 100644
--- a/portprotonqt/themes/standart/metainfo.ini
+++ b/portprotonqt/themes/standart/metainfo.ini
@@ -1,5 +1,5 @@
 [Metainfo]
 author = Dervart
 author_link =
-description = Стандартная тема PortProtonQT (тёмный вариант)
+description = Стандартная тема PortProtonQt (тёмный вариант)
 name = Clean Dark
diff --git a/portprotonqt/time_utils.py b/portprotonqt/time_utils.py
index 71fc463..5829d89 100644
--- a/portprotonqt/time_utils.py
+++ b/portprotonqt/time_utils.py
@@ -10,7 +10,7 @@ logger = get_logger(__name__)
 def get_cache_file_path():
     """Возвращает путь к файлу кеша portproton_last_launch."""
     cache_home = os.getenv("XDG_CACHE_HOME", os.path.join(os.path.expanduser("~"), ".cache"))
-    return os.path.join(cache_home, "PortProtonQT", "last_launch")
+    return os.path.join(cache_home, "PortProtonQt", "last_launch")
 
 def save_last_launch(exe_name, launch_time):
     """