If you get a mastered kanji correct it's supposed to be hidden for the rest of the lesson, but it's not...

Sometimes I accidentally press when letting go. Sometimes I press on previous screen just after the screen changes.

Size of ending circle should vary based on stroke length. Am I already doing that?

A good example of a hard one to finish is 気

Also last stroke of 画

It seems like they are, which would be incorrect

Last few chapters have no name, check 14 ex is wrong type

Need to do some profiling + optimization.

As far as I can tell, there's nothing I can do to fix that :(

http://forums.xamarin.com/discussion/76220/xamarin-forms-startup-times-are-unusably-slow#latest

Maybe I should add a splash screen?

Near the end they seem to be taking to long

Should go 2-6,1,7

Some are way too long, like 'are' or 'azuma'