What should I do about my friend?

When I met my friend it was sophomore year and she was new to my school, she was eating lunch alone in the library so I invited her to come sit with me and my friends at lunch. She accepted the invitation and sat with us for the rest of the year and the next year. We had a lot in common, we both liked the same book series and both enjoyed pokemon and liked pets. We also hung out in the library in the morning. Sometimes we would bring our Nintendos and battle each other in the game, but not often. We talked about books and pets most often.

This year (senior year) we did not get the same lunch but still hung out in the library before school started. A few weeks into the school year she suddenly stopped coming and seemed to avoid me in the hall, I know I never said anything offensive to her or anything. I texted her and said" hi, how are you? " or something to that effect. The next day I got a voicemail from her saying that she was grounded and could not text or call with her cell phone and I could still text her and she would get the message. I figured she was embarrassed about being grounded and that was why she was avoiding me. Later I saw her in the hall and said hi and asked how she was. She mentioned that her grades where not doing well and she was going to tutorials in the mornings, which explained why she stopped coming to the library in the mornings. The next day I was walking through the school before it started and saw her sitting in the cafeteria with a bunch of other people hanging out. I did not say anything and kept walking. She had lied about the tutorials, and She still avoided me. I hoped that maybe it was a study group or something. A few days later I caught a shiny pokemon on my game ( which is very rare ) so I texted her about it. Later that day I got a text saying " I am very happy for you, but I have put my pokemon life behind me. It was getting in the way of me" I was very shocked because she had been very into the hole pokemon thing, she had been bringing her game to school every day and playing it almost constantly. I just played at home

Maybe 30 minuets a day. I texted her back and tried to change the subject by mentioned my New Guinea pig. She never texted back. And she still avoids me.

Should I just forget about her?

Also, what could " it was getting in the way of me" meen?