What is the best MFi game controller for PPSSPP for an iPod Touch 5?

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I actually decided to order the Moga Ace Power from Amazon last week in the end. I picked it over the Logitech controller after reading reviews and comaprisons about why the Moga Ace Power is better, such as the fact that it has two extra controller sticks and that the design of the Logitech Powershell is not ergonomic, and it has smaller buttons than the Moga Ace Power.