Plurals Test & Practice - a new educational game by LittleBigPlay.com
This game is also included in our Word Games PRO: https://play.google.com/store/apps/details?id=air.com.littlebigplay.games.wordgamespro&hl=en
Google Play: https://play.google.com/store/apps/details?id=air.com.littlebigplay.games.premium.plurals
Google Play - free: https://play.google.com/store/apps/details?id=air.com.littlebigplay.games.free.plurals
More games: http://www.littlebigplay.com/m