Gyakuten Saiban. There are three versions for GBA and one for DS. The DS one will officialy be released in US in about a fortnight.
http://gba.gamespy.com/nintendo-ds/gyakuten-saiban/585499p1.html
DIE. >:(
<a href=“http://www.reset931.net/saiban/Obj_Nar.swf?inputStr=Oui+oui%2C+le+bonheur+est+dans+le+bus%2C+monsieur!”>A very bad inside joke.</a>