i mainly bought dingoo for old 2D TBS games, because i'm a huge fan of the original fallout & jagged alliance series...
& there are a lot of tbs (& some rts) games that i discovered on dingoo...
* heroes of might & magic 2 - port
* herzog zwei, dune 2, commandos, shadow run for megadrive/genesis
* front mission, final fantasy series for snes9x4D
* rebelstar tactical command, lotr the third age, rainbow six rogue spear, mech platoon, onimusha tactics, etc. for gba
* sabre team for dosbox or amiga
& there are many to be discovered