vNESLight

vNESLight is a free Nintendo Entertainment System (NES) emulator with a rich set of features and customization. This version is ad-supported, but fully functional. For the ad-free version please search for vNESLight Pro.

It does not contain any roms other than two freeware demo roms and it does not condone piracy. You can add your own games easily.

You can add games via the new SkyDrive integration, just add your games to http://skydrive.live.com/ (every WP7 user has a free SkyDrive account with their live account.) Then sign in via the app to add your own games. You can also add directly via the web from url. Support for zip, rar and single nes files.

New in Version 1.2:
- Fullscreen mode added
- Quick access to Pin, Delete and more via context menu
- Bilinear video scaling option (smoother image)
- Audio and rendering improvements
- Backup and restore ROMs via SkyDrive
- Screenshot ability
- Toggle for switching players
- Revamped settings and other minor fixes

Full feature list:
- Completely new and improved controls + portrait support
- SkyDrive integration
- Recently played section
- Fully featured jump list for all your games
- Fast and fluent multiple save states system (swipe to change slot)
- Backup and restore your games and save states via SkyDrive
- A high compatibilty with games
- Manage your games (rename, delete, clear save states)
- Pin any game to the start screen
- Auto detects the best settings for your device
- Experimental Hardware Keyboard support
- The demo ROMs of Battle Kid 2 and Super Bat Puncher are included

Support:
- Email: nuduaa@gmail.com
- Twitter: @nuduaa
- XDA development thread: http://forum.xda-developers.com/showthread.php?t=1144561