Talk:SmileBASIC (Petit Computer 3)/@comment-212.183.125.11-20140417055600/@comment-5394692-20140417151856

It's not going to be an update to the existing app. (It takes advantage of the 3DS's new capabilities that can't be used in DSi mode. Also partially eShop's limitations from changing DSiWare to 3DS Software.) You'll have to buy it separately.