Suggestions for an app?

[johanesrobin]

i would like to write a crypto related app for iOS and Droid.  Any suggestions?  There are loads of wallets and price checkers.  What would be a killer app?

cryptokitties style game

i hate this game, this causes busy eth network. some transactions are delayed because of this gamei.
I have to give a big gass for my transaction.
boring.