Crash on iPad mini why I bought this just for Rin plz fix

Plz fix I want to play as Rin it always crash sega dont ignore your costumer its been over more than 3 or 4 month and yet not single update you scam Company give fix it or give us our money back I havent been able to play once

LenVocaloid about Miku Flick/02, v1.1.3