Step 1. Enter app you will see your info but this is mine

Step 2 go to the bottom where it says freinds :(magnified area )

Step 3 go to check ID/search

Step 4 (somehow get the others is and type it in once u do add the freind then make sure both sides accept )  (I will show mine )

Step five follow next instructions it will probably ask if you want to add them as a freind if you do then do so