[Afal]

This looks like an iteration on PetitComputer, and there are a bunch of stuff on Petit on http://petitcomputer.wikia.com/wiki/Petit_Computer_Wiki

[brianobush]

States on the sample page: All Screenshots and videos in this page were captured from the Japanese Version of SmileBASIC (PetitCom 3)

[TazeTSchnitzel]

Ah, this is probably the fabled PetitComputer for 3DS, rebranded, especially since the old Petit Computer used SMILEBasic too.