hello there well there is some thing that i can't see to understand ,i have an acekart 2i that i brought with a 8 gb kingston card at shoptemp and i can play all the games just fine except one when ever i play jump ultimate star i notice lags and slowdown and i did try to format my sd card and it's still working with lag. i have the brought the cart with the prenium update and all if you mind to help then thank you