The app has hundreds of realistic GMAT practice questions along with detailed solutions and information about ones performance compared to other test-takers. The only issue is it is not working on some devices.
This game is inspired from the popular indian tv show kaun banega crorepati (KBC). This app has some nice graphics and sound and it helps to increase your general knowledge. However, the answers in hindi are not correct.
An amazing app and very easy to use, it covers 64 lessons. The best part is that it's really interactive and people can learn as much from the comments of other users under each lesson as much the app content itself.