Pros for gateway :
- EmuNAND
- Compatible with xenoblade and pokemon shuffle
- 3ds roms support
- Support for games that don't work as cia or require 9.3 such as Xenoblade
- Firmware spoofing
- Can be launched via OOT on N3DS
- Can be launched via the MSET exploit on N3DS (and O3DS, but so can Pasta), so you only need to use CN or OOT once (for downgrading the NVRAM and installing the exploit) in this case
- Can be launched via the browser exploit (no need for CN or OOT)
- Supports NTR CFW 1 (O3DS only)
- GW menu features such as downgrading, game dumping, NAND dumping and restoring, NVRAM downgrading, save dumping and restoring
Pros for pasta :
- eshop spoof (it's only a pro on n3ds)
- dsiware games support
- gba games support (but only ambassador games on n3ds, at least for now)
- Supports NTR CFW 2 (N3DS only)
- Doesn't require the purchase and use of a flashcart