Most Helpful Guy
Racing - Asphalt 8 (Nitro if specs are low)
Fighting - Shadow Fight 2
Puzzle - Interlocked
Card - Yu-Gi-Oh! Duel Generation
Arcade - Piano tiles 2
Casual - Dumb Ways To Die 2
Trivia - Logo Quiz / 4 pics 1 word
Sports - Basketball shot / FIFA 16
Action - Frontline Commando
Challenging - Flappy Birds (equivalent) / Swing Copters 1/2
Points Hunting - Snake Shadow Edition
Every game mentioned above is free to play.
Happy gaming :)
Most Helpful Girl
Two Dots, Flow Free, and Flow Free Bridges are my favorites.