Question: I'm developing an Android app with the Android Developer Tool.
Now I tried the new Android Studio, everything works fine if connect my smartphone with the PC and directly run the program in the Android Studio.
But now I want to test the program with other smartphones without connecting them to my PC.

The ADT creates the .apk file under "projectname/bin" every time you compile the program. How I see it at the moment, Android Studio doesn't do that.

So, my question is: Is it possible to create an unsigned .apk file with Android Studio?

Answer: 
Android studio also create the apk file on every time compile the program, just go to your workspace folder and find app->build->outputs-> then you can see the apk file.
You can click the dropdown near the run button on toolbar,

1. Select "Edit Configurations"
2. Click the "+"
3. Select "Gradle"
4. Choose your module as Gradle project
5. In Tasks: enter assemble

Now press ok,

all you need to do is now select your configuration from the dropdown and press run button. It will take some time. Your unsigned apk is now located in

```
Project\app\build\outputs\apk

```