1. Original cart size, simple plug and play, no passme or flashed NDS needed 2. Support DSi, DSL, IDSL, DS and IDS 3. Never lost save data 4. Perfect compatibility 5. Support Homebrew programs/games 6. Support SDHC MicroSD card 7. Support any brand of MicroSD card 8. Support Action Reply cheats. Build-in editor 9. Built in "Trimming" Function 10. Fully touch screen operation 11. Build-in file operation 12. Can be used as a Passme to boot from slot-2 flash carts. Run GBA games by using expand cart 13. Support Multi-language 14. Support Skin and Dynamic skin change 15. Perfect UI: AK 2 will start in the folder you last ran software from. Every file and folder has an icon in front of the name. Softwares will display their icon directly. Using the simple list view more files will be shown on screen. You can config the scrolling speed and whether to show the hidden files. 16. Support soft-reset, Download play and WiFi playing: AK 2 support soft-reset whenever you running a software. You can return to AK 2 menu when you're running software by just pressing L+R+A+B+Down. You do not need turn off DS to change softwares. You can disable this function in menu. Directly read TXT files and play MP3 files.