Develop a splitsies use app for first phase iPhone/iPad and second phase Android

Develop an app that is used between users for splitsies. The users are defined by the app main user (admin) where they will allocate a budget for an event (lets say daily lunch). The App should include the option of calculating trips expenses. The app should have the following: 1-Create a user name and password in order to store the data of the user (if you have better proposal let me know). 2-The app should keep the user logged-in in the event of closing the app. 3-By creating username, other users can be added/invited in any event by main user and can see the current status of budget & expenses. 4-Events can be added by tapping on +. 5-The app should have provision to mention expenses/budgets by users name in the event. 6-The event should have info of event members and event admin indication with date & time created and time line. 7-The app should have all currencies. 8-The app should have expense analysis page. 9-The app should have the option of selecting languages (Arabic and English). 10-The app should have cool and attractive design 11-Admob ads ( banner+ interstitial ) should be integrated. 12-We would like also facebook sdk to track the numbers of installs we get from fb ads campaign 13-It should have the ability to share our app via social network medias 14- Add the ( about ) button to explain the role of the app and how it functions Note: We do not have design so the developer who will provide everything please check out this example to understand more the idea: [login to view URL] [login to view URL] [login to view URL] If the app design is satisfactory in the first phase (IOS iPhone/iPad) then continue the second phase ( Android). And before you start, I need to see sample of your works. Message me your work to see my response. The bid winner shall release all rights upon payment and submit all data files.