Game app on I pad

Job Description Hi everyone ,my name is Eran .. Iam looking to make a game that will work on iPad as app.. My English is bad so I hope you guys anderstand , I want to make a game like "modern war " But with different tactics and tanks ext and the best graphic . This is my first time doing something like this ,so I will need all the advise I can get .. Iam just the investor ,, and I want to get in to the bisnes Pls take a look at the game "modern war " And let me know if it's can be done and how .give me all the info ,what will take to post it as app?and ofc how much money it's going to be ,, Have a good day ,, Eran !