Here are the new features of this house number and address centric app:
audio note button allows the user to record a voice memo and save it along with a GPS coordinate
RECORD button allows the mapper to start/stop recording
optimised screen layout for larger devices / tablets (7" and up)
improved usability (bigger characters, better contrast, R/F/L on keypad screen replaced by arrows)
additional settings options: turn off GPS, vibration at data entry, usage of the compass
Available for devices with only one camera (e.g. Nexus 7)
Russian wiki page
Details can be found in the new help text inside the app or here: http://wiki.openstreetmap.org/wiki/Keypad-Mapper_3
Have fun with this new app!
Pls add your ideas and whishes to the Keypad-Mapper wiki page.