Instructions for the DIY of a handheld recalbox game console using 2.2 TFT LCD and a Raspberry Pi 0 W and GPIO buttons.
You can view this youtube video for a full demonstration of the steps involved:

A. Get all the parts.
B. Solder the parts together.
C. Install Recalbox software.
D. Configure Recalbox for GPIO buttons
E. Configure Recalbox for TFT and speakers”

Link