Here is the full list of all 47 Keep Rollin achievements.
Buy Baller skin in the store
Buy Cai Shen skin in the store
Buy Charlie skin in the store
Buy Chaun skin in the store
Buy Corden skin in the store
Buy Craft skin in the store
Buy Doctor skin in the store
Buy Penguin skin in the store
Collect 200 coins
Buy Samy skin in the store
Buy Skelek skin in the store
Buy White skin in the store
Buy Vin skin in the store
Buy Cian skin in the store
Buy Chickie skin in the store
Buy Frank skin in the store
Buy Uzu skin in the store
Buy Titan skin in the store
Buy Tiff skin in the store
Buy Paras skin in the store
Buy Ladd skin in the store
Buy Konai skin in the store
Buy Inki skin in the store
Buy Hex skin in the store
Buy Elen skin in the store
Collect 100 coins
Buy Coxx skin in the store
Buy Zaron skin in the store
Buy Wren skin in the store
Buy Susan skin in the store
Buy Sezen skin in the store
Buy Sazix skin in the store
Collect 50 coins
Buy Sandy skin in the store
Buy Pinton skin in the store
Buy Mele skin in the store
Buy Lenser skin in the store
Buy Kixx skin in the store
Buy Ken skin in the store
Buy Hula skin in the store
Buy Emmy skin in the store
Buy Crim skin in the store