A free app for Android, by Midva.
Christmas Tree Hidden Object Puzzle Adventure
This is an exciting and fun Christmas game for everyone to enjoy. It's a game to help you increase your memory and brain power. All you need to do is look for the Christmas tree and all the hidden objects in the picture.
You will need to work fast and be a smart detective. The hidden object game has a very intuitive interface and gameplay. You can use your fingers to interact with the screen. If you're playing on a tablet, you can use your stylus to interact with the screen as well. The gameplay is very easy to understand.