Is it possible to simulate other android devices on one of them?

Question

I want to manually test my android applications on any size and resolution but I have only a Nexus 7. I want to know is it possible to simulate other devices (resolution and screen size) on my Nexus 7? or run android emulator on my device in some way?

Answer 1

You can change the density of your device:

https://plus.google.com/+AdamWPowell/posts/cz5TxuoNDfG