Loop Favorite Song Parts - Save Audio - Looper is a free Android app developed by Antweb. It falls under the Multimedia category and is a great tool for music and radio lovers. The app allows the user to select a song and loop their favorite parts.

The user can mark the start and end of the loop by pressing mark 1 and mark 2 respectively. The loop will begin automatically, and the user can clear it whenever they want. The best part is that the loop can be created while the song is playing. It's unfortunate that the app is not under active development anymore, but it still works perfectly fine.

Overall, Loop Favorite Song Parts - Save Audio - Looper is an easy-to-use app that serves its purpose well. It's a great tool for anyone who wants to loop their favorite parts of a song and save audio.