Unchained: You can not escape APK

Do you know why you are stuck here? You are the sample for the experiment. This is the only thing I know about you. But, as soon as you leave here, you will learn much more. I will give you the basics that you need to understand in order to escape from here. Although it will be quite difficult, but I believe that you are able to do it. Nevertheless, the previous participant did not last very long. This locked door is only the smallest part of the trials that you will have to face.