Take the controller to the hardware store and show it to an employee there. They can show you which screwdriver you need to buy. Your only other option is to...
With most games, there's an option to hook up a controller to the game. If it isn't there, load another game, such as Wii Sports, connect it there, and go...
You should have a small button with three curved lines like a WiFi symbol between RB and LB. If you don't, then your controller has been modded and the button...
Your Bluetooth connection may be too slow to transfer that amount of data. WiFi is a better, faster option to use with data-intensive applications like games.