Finally someone else posted.
For the battle system it is going to be similar but I am going to change it a bit to make it better. An example would be that you can change how you team is following you into things like a wedge formation. You can also do things like put escorts in the middle.
For the storyline, I still haven't posted the entire thing for two reasons, the first is that I recently changed it s bit and I plan to put that in the next update hopefully, and I don't want to give two much away to early. Hopefully that update will be with four screenshots so it can be moved to the Game Showcase. Probably tomorrow I will release who the Pokemon is that helps you start your team and the reason why.