A free program for Android, by B Orama.

AB Looper Loop Zoom AB Repeat Bookmark Videos is an application to repeat and replay any video on the Android platform. 

The app is a handy tool that you can use for educational purposes. It is suitable for learning music, for example, by watching and repeating the most interesting parts. You can also use it for studying and for learning to improve your memory. 

This tool is ideal for those who want to learn a language. It offers you an excellent learning experience. Moreover, you can bookmark the most interesting parts of a video to help you remember them better.