RC_Max Manual included. You can start to play games moment console turned on. But to find games you want and navigation through menus can be challenging because of the buttons. Each has own function.

RC_Max No,it is not possible to add games via USB. I have tried to do it.

RC_Max Hello. This digital battery tester will check voltages. First, the tester accepts specific type connector. Check the photos to see which type of plug can be inserted into this tester. The connector plug is very, very small. Second, this tester is for checking state of voltage with regard to capacity and remaining voltage in battery. The tester is more for RC vehicle batteries. Unless your scooter uses similar types of batteries, If you are uncertain, don't get this product. It won't be useful to you.

RC_Max Comes with manual printed in Chinese and English.

RC_Max Both player joysticks are for left hand. Buttons in place for right hand.