Spritest look squashed and stretched in different screens.

I just started to learn unity for Android games. While I was trying to setup Unity Remote to my phone and tablet, I realized that they look different from the editor.

This is how it looks like in editor:

This is how it looks like in my phone:

This is how it looks in tablet:

I realized that it happens only in Unity Remote. When I made build and installed on my phone it worked!