BrainTrainerApp SIMPLE MINI ANDROID PROJECT One has to answer maximum questions in 30 seconds - basic addition questions. There are random numbers / questions generated everytime and there is score updation as well. There is also a message shown where the answer is correct or not. After the timer elapses one can replay the game by clicking on "Play Again" PREVIEW What have I learnt while making this app? Showing and hiding of UI elements Grid Layouts Timers Random number generation Tags