You can test the functionality and special features of iBudokan's Brazilian Jiu-Jitsu app with this iBudokan's Brazilian Jiu-Jitsu FREE app,

iBudokan's Brazilian Jiu-Jitsu app includes 5 different levels from basic to competition techniques. Each techniques is filmed from different angles, including a multiview presentation, a view from the front, side, and above. A close up view makes every detail clearly visible. Ibudokan’s Brazilian Jiu-Jitsu app is the ideal training supplement for beginners and advanced practioners.

Technical demonstration by Ollivier Michailesco. Olivier Michailesco has been a black belt in Brazilian Jiu Jitsu since January 2012. He is also a black belt in Judo, 2nd DAN, has a state certificate as sports instructor in Judo and is a national instructor in Judo "Ne-waza" (Judo groundfighting) with the French Judo Federation.

Recent changes:
Added ability to add videos to playlist
Fix support for Android OS 6 Marshmallow.
Fix tablet layout issues.