I used my n800 with mplayer to play videos for our 3 yrd old when at restaurants or on the road (also pucca and some other series). Installed G-compris and used if for a while, but some of the games run slow (don't know on diablo though). Tux paint was a good tool for him... Also, had 2 batteries... Taking ou the tablet with a little kid hoping for a movie or a game , only to discover that the battery is empty leads to an upset little boy !