I'm going to slap you because you didn't read the main post...jk jk lol :3. Ok so the answers to your questions:
1.
Q: Will there be multiple starters available? (For instance, being able to catch all Gen starters and having different Pokemon for starters)
A: The starters will be Vaporeon, Jolteon, and Flareon. And yes Bulbasaur, Charmander, and Squirtle will be catchable :) I'm not sure if we will have Johto and Hoenn pokemon in this hack.
2.
Q: Will there be Fakemon(eww)?
A: No fakemon lol
3.
Q: Will there be customized items or Pokemarts?
A: Yes there will be new items, not sure if there will be items which will be buyable but they will be key items, or probably items that you give have pokemon hold.
4.
Q: Will trading be necessary to catch all the Pokemon?(Eww again)
A: HELLZ NO! I hate that trading crap lol. Don't worry there will be different methods :)