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Историческую версию Screen Off Browser можно получить на Android
Играть онлайн видео и музыку с выключенным экраном
ScreenOffBrowser is a simple web browser that keeps webpages running in the background, allowing you to listen to streaming audio or video with the screen off.
To use, select Share from any application and choose ScreenOffBrowser as the target. Alternatively, you can long-press a link, choose "Copy to Clipboard", launch ScreenOffBrowser, and choose "Load address from clipboard".