A free program for Android, by Hidden Object Games – PlayHOG.

Challenge 16 Far West New Free Hidden Object Game is a puzzle game that has been designed to offer the player a fun and challenging experience.

The aim of this game is to find as many hidden objects as you can. Complete 100 challenging levels and seek a total of 400 different objects. The higher the score you get, the higher will be your place on the leaderboard.

As you advance in the game, the images will become more complicated. The objects that you need to pinpoint will be harder to differentiate. You can use the hints to help you clear a level.