Ipa | Lark Player

First, "piece" could be an app or a software. Maybe they're referring to an app called "Piece". Then "lark player ipa" – Lark Player is likely an iOS app (since IPA files are for iOS). IPA files are the package files used to install apps on iPhones and iPads. So the user might be trying to find or create an IPA file for an app called Lark Player, possibly using something called "piece".