Bill reminder- Android app

I want an app for my android phone that will be able to do: -clear user interface -calendar Tab- display the calendar, mark with a color the date of the phone (curent date) and be able to select another date marked with another color. I also need a button that will add a bill to my selected date. This button will open another form: to be able to add name, amount, category, due date , reminder, repeat reminder, image of the [login to view URL] a bill is added to a day it must be shown in calendat with another color -Bills tab to display the bills from a choosen month -History tab- show all the bills for a selected year(be able to move the year from top of the page)- have also on top : all bills, paid, partially, unpaid and at the butom see how many bills are in this category and the amount of money of all the bills of this criteria. -Categories tab - all the categories from a bill (exemple: auto, bank,insurence, rent,tax, utilities)and be able to add another categorie(a name and a icon) -Reports tab - to show a chart for specific criteria (week selection, month , year, custom) and color each cathegori with a diferent color in the chart. -Settings- be able to add a Passcode to the app, select the curency, to select the reminder option. The main form with all the tabs is design in screenshot. I also need a design for this app. So thats my ideea for this app.