It's been awhile since I've released an update to iNethack2. This release features two new features:

• Inverted Black & White Mode (seen above): For players playing with text tileset (ASCII, IBMGraphics), this will invert black and white for those of you who prefer a white background. This setting defaults to OFF so go to the app settings to enable it. Note: you can also use this with graphical tilesets but it will probably look a bit weird.
• Haptics! Now when you take damage the phone will vibrate to indicate damage. This defaults to ON so if you don't like it, you can disable it in the app settings page.

Thanks to @silentrocco for both suggestions.
 

I have other updates I'd like to do in the works. Stay tuned and thanks for playing!