Android app for calculating rating changes in 2-6 person games. Uses a modified version of Elo rating algorithm to produce accurate rankings for multiplayer games.
Coming soon is Version 2.0 which will feature a brand new profile system so that you can save you and your friend's scores!
For more information on Elo ratings: https://en.wikipedia.org/wiki/Elo_rating_system
For more information on the modified Elo algorithm used in this app: http://www.gautamnarula.com/rating/
Available for download at https://play.google.com/store/apps/details?id=com.Centaurii.app.RatingCalculator