A free app for Android, by Techyonic.

You have been asked to help find the missing girl, but this time it’s not just a case of a missing person. This is an interactive mystery with an extraordinary storyline and lots of characters. The story takes place in the town of Riverstone, which is surrounded by the Elmwood Forest. It has been 3 weeks since a young teen has gone missing, and despite the town’s police’s best efforts, they have been unable to find her. Now it is up to you to help solve the mystery. 

This is a free mystery game with lots of puzzles and mini-games that you can play offline. You can also play it online if you want. You will be able to make decisions and solve puzzles. The mini-games will help you get to know the characters and the storyline. You will be able to make decisions and choose your path.