Hidden Thief is a free Android game developed by WANNATEST GAMES LTD. It is a stealth game where the player is tasked with catching a thief by sneaking up on them, leaning against walls to stay out of sight, and quickly merging with them.

The game features a unique gameplay mechanic where the player must use the walls to prevent detection and avoid the cops who might catch them. When a policeman is knocking on the door, the player needs to have time to disguise themselves by arranging stickmen so that they match their shape and blend in with the color of the room. The shape can be different, either standing or hanging in the air.

Overall, Hidden Thief is a fun and challenging game that puts your stealth and disguise skills to the test. Download it now and become a hidden master!