How to share my app developed in android studio : I made an app in Android Studio and I built it and developed an apk which is stored in debug folder so I copied that apk in my phone and installed it ,it is working good in my phone  and  I am able to share it too ..I tried through Xender and tried to install it on my friend's phone ,app was installed but it was not working ..can anyone help me with this..Thanks in advance!