Necessary Equipment:
1. SC Rumble card one piece
2. Memory card one piece
3. NDSL/DS game console one piece
 

Hardware usage
Put memory card into SC rumble card, then put the whole one into NDS/NDSL console, like the picture below:

Hotkeys in NDS games:
1. Real Time Walkthrough: L+R+DOWN+START. If you saved files of walkthrough in advance, you can view them when playing games and anytime.
2. Real Time Cheat: L+R+UP+START. If you saved files of cheats in advance, you can switch them on when playing games and anytime.
3. Soft-reset: L+R+SELECT+START.