To play YouTube videos in the background while doing other things on your iPhone, you can use YouTube premium or Safari's desktop view mode.
There are two ways to make a background transparent in Photoshop: using the "Remove Background" quick action or manually by using selection tools.
F-Droid maintains a repository of free and open source (FOSS) Android apps, and the F-Droid client for Android devices basically functions as an alternative to the default app store on most Android ...