Tangram is a (relatively) well-known ("real") puzzle so there are more adaptations in video game form.
Here is the current list on MG:
http://www.mobygames.com/game-group/tangram-games
Besides those currently listed, on the DS there are also:
- Tangram Mania
- Solitaire, Mahjong & Tangram 3-in-1
- a homebrew game called Tangram DS:
http://nds.scenebeta.com/noticia/tangram-ds
And there is also Hamekomi Lucky Puzzle for both DS and Wii.