1. Yes they do! You can declare one using DIM. Like this: DIM ARR[10] 2. Yes they are! Just make sure not to forget the ENDIF at the end of each multi-line if statement. 3. Sadly, that's not possible with the 3DS version of SmileBASIC. However, a version for Wii U will release that will have USB keyboard support. 4. The Guide, of course!