Hi Damir,
Yes though we both have the same backing tracks on our iPads, as he is hosting the session it is his backing track that is heard. I mentioned that we both have the same backing tracks to show that differnet backing track names was not the problem.
The reason for the different lyric on each song, is that he plays lead and I play rhythm. so sometime I have a capo on and play different chords to him and other times there are notes that I have added to the lyrics sheet showing change of strumming pattern etc.
Up to last nights practice it has worked well with my local lyrics being displayed on my iPad and he controlled when the iPad started scrolling etc. However last night none of my lyric sheets showed up on my iPad until I left the session. The only changes we could think of between last night and the previous session is that I had added keywords to the song and he had colour coded his songs.
Hope this explains it better.