This app was mentioned in 3 comments, with an average of 2.67 upvotes
Well there's this if you wanna play a Touhou like game on an android tablet.
Be sure to check out:
(Same guy) https://play.google.com/store/apps/details?id=com.sorais.bakastg
(Different guys) https://play.google.com/store/apps/details?id=jp.hiehie.danhaku
https://play.google.com/store/apps/details?id=jakiganicsystems.danmakudeath