R4 revolution functionality :

1.2nd generation storage device (no booting tool required )
2.Flush fitting slot 1 card 
3.Uses MicroSD card ,FAT 16-32
4.Supports and MicroSD card speed with no lag in game 
5.Supports clean ROM,drag and drop .Workson any OS
6.Built in NoPass
7.Automatically detect save type
8.Save directly to MicroSD,not to onboard chip 
9.Suppors Moonshell and other homebrew .Open I/O interface 
10.User friendly skinnable interface .Touchscreen or button operation 
11.Supports rumble pak and memory pak 
12.Supports the WiFi game ,DS Rumble Pak ,DS Browser
13.Supports changes of the background of Operation Interface 
14.Supports Skin DIY by setting background and font colors on Main Menu and Game Menu manually and automatically 
15.Supports 4-scale-lightness adjustment (DS Lite only )
16.Supports the Soft Reset
17.Supports Action Replay cheat
18.Moonshell 1.6 support Software Reset function (Press START key back to the R4 menu )
19.DLDI auto -patching