BOC 4 Phone Applications that haven't been made yet

Apps? Haha seem to almost be a necessity rather then just a playful commodity these days. There are thousands of apps popping up every day for almost anything and everything. But it I had the opportunity to create and manufacture my own cell app what would they be? Well i Have few ideas. My first app would be useful to all of those who care about there personal appearance hygene and need feedback on those certain aspects. I'd call it the "Mirror Mirror on the call APP". This app would let you take a picture of yourself through your phone and then it'll rank your appearance smell cleanliness and fashion sense. Completely on those stressful day when your trying to get freshened up before a party,date or job interviews. My second app would be of great importance to college students who struggle to scrape up enough money to get college textbooks. It'd be called the "Textbook Priceline's Price Find APP" It'd be an application where students could use to find cheap used or new books for college students by college students. Kinda like a craigs list for textbooks where you search for books by area location price and even school and make bids to get your chosen textbook. My third app would be helpful for those who like to go out and eat but are turned off by fast food joints my app would be called the "Is it really safe to eat there? APP". Its properties would be to rate unknown or known non mainstream food places. Allow others to rate all aspects food type qualities and daily specials location annnnd phone number. The food places themselves would put in there own basic info but the customers themselves would do the rating. Those would be my three innovating ideas that would change the application world and put the big dogs in there kennel. What would you create?