IOS game's sprites/textures have a blue tint?

[ShadowK1rby]

Hello, I am trying to rip sprites from an old IOS game (pop'n rhythmin/ポップンリズミン)  , and a majority of them have a blue tint to them that is absent in-game. I am trying to figure out how to display the images correctly- there are  what I believe are Photoshop curves files in the folder as well, but I am unable to use them on recent versions of PS as well as versions from around the time the game was created (2013).

Examples:




I may be able to provide the game's IPA file, if requested.