retropie teardown analysis

[mbz4]

Can learn lots of useful lessons on how to ship low cost hw kits from this product.
CM4 not included, users have to add it on their own yet still popular.

• retropie houses a cm4 unit, also here: add support for RPI CM4 ElectroCircuits#5
• lots of built-in features
• great value
• intended usecase is to emulate gameboy experience
• but includes full handheld PC w/ WiFi & BT