I'm loving Lyngoo. I had a Lynx back in the day but although I have played tons of NES, SNES, Megadrive via emulation over the years, I've never gone back and played much Lynx stuff. Now with Lyngoo I'm going back through all my faves...
Progress so far:
Klax - now completed
Rygar - now completed
Viking Child - completed it on my Lynx and have again on Lyngoo
Chip's Challenge - probably my all time favourite game. Currently about 30 levels in...