The SJGAM M21 is now available through multiple resellers. Unashamedly a copycat of the Game Console R36S and the Powkiddy RGB20S, the SJGAM M21 has a saving grace in the form of a mini HDMI port. Not only that, but the SJGAM M21 is also available for as little as $30 worldwide.https://www.notebookcheck.net/M21-retro-gaming-handheld-now-official-with-rip-off-design-but-affordable-pricing-and-HDMI-out.880087.0.html
A copycat of R36s which is a copycat of RGB20 which is a copycat of... :D There is not many things to do differently for vertical gameboylikes than shifting the controls around... so ... fine by me!