AB Slow Player is a free app that can set AB Repeat and Slow-motion video or audio.
"AB Repeat" can play the same scene. For example dance choreography practice such as the operation of the sport please take advantage of the practice of music game.
"slow-motion" can change playback speed . This function is not only playing slow but also playing fast media file.

â–  AB Repeat
Firstduring video playback press the "A" at the point where you want to make a loop it is set the start time of the loop.
Nextat the location where you want to exit the loop is set end time of the loop playback once again pressing the "B" AB Repeat will start.

â–  Slow-motion
This app can also change the playback speed any media file.
You can choose media playback rate among 0.25x from 3.0x .