• Pressing "k" sometimes freezes RetroArch while playing
• Shutdown result in restart
• WeTek logo in background while playing
  • you have a white stripes on both sides (logo itself overlain by game)
  • or if the logo was not in fullscreen last time a it is located at the upper left corner and rest of TV is black

WeTek Play doesn't support bootloader configuration. So you can't add SSH on boot. However, you can create this file

touch /storage/.cache/services/sshd.conf

And then SSH will start automatically on boot.