Quantity   Component name
1 × Raspberry PI A+
1 × 5.0" 40-pin 800x480 TFT Display without Touchscreen https://www.adafruit.com/product/1680
1 × B503 50K Ohm 5-Pin Dual Dial Wheel Duplex Potentiometer 16mm x 2mm http://www.ebay.com/itm/311004327965
1 × 3.5 mm audio jack (male)
1 × 3.5 mm audio jack connector (female)
1 × Adafruit DPI TFT Kippah for Raspberry Pi https://www.adafruit.com/product/2454
1 × PowerBoost 1000 Charger - Rechargeable 5V Lipo USB Boost @ 1A - 1000C https://www.adafruit.com/products/2465
1 × Lithium Ion Battery - 3.7v 2000mAh https://www.adafruit.com/products/2011
1 × USB Wifi Dongle like the Edimax EW-7811UN Nano 150 Mbps (only for setup)
1 × Encoder USB Xin-mo joystick-buttons 1 player https://www.smallcab.net/encoder-joystick-buttons-player-28mm-terminals-p-274.html
1 × Board to build controller (like Adafruit perma-proto board) https://www.adafruit.com/products/571
1 × 10 small buttons https://www.adafruit.com/product/367
1 × Tactile Switch Buttons (12mm square, 6mm tall) x 10 pack https://www.adafruit.com/product/1119