First you should know about what are short cut keys available to Android Studio. It is important as while working short cuts works best and you should have one list with your computer table so that ultimately you could refer to these keys on yours left hand side by looking those lists in detail about it. All about is to go to ‘Help’ and then click on ‘keymap reference’. Connect to internet and click on that link. The link will open into a new window. It will open with yours default web browser.