You can play any character and choose any skin for him (in the main menu, go to inventory, then click on the Character button and in the character selection menu that opens, click on the bottom button with a price tag or the inscription "In set").
Pay attention to the type of processor specified (ARM7 or ARM8). If the specified processor differs from the processor of your device, the application may not install. In addition, the mod may not work at all on emulators!