App crashes! :(

This is a great app to remember basics. CONS- would be great if I can stop or pause the vid before it finishes and the vid crashes after watching 1 technique! Gotta fix this guys. If it
Wasnt because of the app crashing I would give it 5 starts otherwise only getting 3... Hope the creators get on this issue Asap...

Martialist about Judo Gokyo