There are tutorials that show how to make the game from scratch,  including the models. If you are only interested in the game design you can download the models and append them in when needed.

Adding an Armature to a Google Android

• Start file – android.blend
• Finished file – androidRig2.blend

Controlling a Simple Rig Using Logic Bricks

• Start file – androidRig2.blend
• Finished file – controllingTut11.blend

How to Make a Walk Around Collecting Objects Game

File used at start of tutorial – AndroidGameEngine2.blend

Coke can file – canTut14a.blend

Adding Obstacles to Bounce Off and Reduce Health

• Start file – androidGameStart.blend
• Cactus file – cac4game.blend
• Finished file – cactusTut5.blend

Managing Properties Part 1 Health Falling to Zero

Managing Properties Part 2 Maximum Score Reached

• Start file – endGameTut1.blend
• Grave Stone – graveTex.blend
• End of game splash screen – end.jpg
• Finished file – endGameTut13.blend

Making a Stand Alone Game Part 1 Save As Game Engine Runtime

Making a Stand Alone Game Part 2 Setting up a Head Up Display

• Start file – hupTut1.blend
• Font Arial Black as a bit map file ariblk.tga
• Finished file – hupTut14.blend