Roblox is a very popular game on the App Store. Loads of people play that game. This is what makes it so great,theres a building club on it and by building you earn robux thats also known as cash. Sadly,you have to pay real money out of your bank if your. This is what you can do with robux,you can buy skin colour and clothes let me tell you something you start with white skin you can also buy hair and hats that will make you stand out.