Используйте приложение APKPure
Историческую версию Free Max Skins Exchange Fire можно получить на Android
Обменивайте скины предметов бесплатно
Exchange your Skins with your friends for free.
you should to have the skin and your friend has the skin
you don't need diamonds or money or hack or anything.
but you both need to have the skin that you want to exchange