Chaos Rings III (CR3-U): your iOS copy goes here - the iPhone / iPad 1.2.2 ChaosRings3_FINAL_ENG.app (its CRDB*.ios.mvgl and movies),
or the unpacked .ipa (Payload/ChaosRings3_FINAL_ENG.app/).

One release is played: with several, the first of vita/, android/, ios/.
It may be here as it was unpacked: one or two folders down is fine. The README's "Your copy".
