This app was mentioned in 1 comment, with an average of 3.00 upvotes
https://play.google.com/store/apps/details?id=air.com.kanjigames.kanjiconnectfree1
Or on the internet browser, go to kanjigames.com and click on the button at the top.
EDIT: Wait, there's no Kanji Crush. I'll assume you meant that one. Yeah, it's not on the store, but Kanji Connect is.