First of all, to help your friend, you should have enough Strength. In your friends’ Albions, you can see envelopes, and when you press them, your help your friends. Pay attention to the fact that you can only tap on vibrating envelopes. These envelopes are located in the center of your friends` locations, and you can leave clues there for your friends that can be used while exploring the rooms. Any time you help a friend, you are rewarded with reputation points. To return home, find the button with a house depicted in the bottom-left corner of the game screen.