A free program for Android, by SfantasticGames.

The newest chapter of the horror game, Backdoors: Chapter 1, is available now! This time, you have to be brave enough to open the door and get into the haunted hotel. You will have to solve the puzzles and avoid the various monsters. The goal is to get to Room 100 without getting killed by any of the monsters. You can open the various doors to find the different items such as lighters, lockpicks, and other items. You can find the items in the various rooms such as the bathroom, the bedroom, the kitchen, and other rooms. 

You will need to be able to use your brain to solve the puzzles and avoid the monsters. You will need to be able to use the various items to help you in your escape.