Tiger LCD handhelds gen. 1 (eg. Lucky Luke), I believe are on SMOS SMC1xxx, should be possible to dump(decap)/emulate Tiger LCD handhelds gen. 2 are the ones in MAME, Sharp SM51x newer ones, I don't know if they can be dumped, won't know until you try, but it doesn't seem like SM51x: Res Evil 2: Crash: