You can't leave a group text on Android, but you can mute or delete it — here's how

You can't leave a group text on your Android phone, but you can still mute or delete the thread in your Messages app.

How to start a group chat on the Skype mobile and desktop apps

You can start a group chat in Skype with up to 600 participants at once, just by tapping or clicking the "New Chat" option.