Quotation app on android

The application to be used to prepare quick quotation and report BOM. The good which will be quoted is plastic house window. A window consists of profiles, glass, marble and other accesories shall be defined. The user will select from templates or create new type of window. The application should have window templates with different configuration. If a template selected, the user will enter width and height of the window and other required info. After that the app will calculate BOM according to predefined formulas and offsets. A sample drawing also attached. It will store quotations and customer info in local database. It will be able to export the quotation as text or excel file. The application will run on android tablets and phones with gradually large screens.