windows mobile app

i have the solution build but i need to fix and enhance it with the following details : Develop Windows mobile handheld application having the listed feature below: 1. Migrate inventory count app with tag printing app to be one app integrated together 2. Main screen have two option (inventory count, tag printing) 3. Inventory count screen is has 2 options a. Normal stock count this feature is to do count the items with blind physical inventory methodology also includes the ability to scan the item barcode and add quantity manually and show the picture of the items and details b. Quick stock count the feature of this function is to scan the barcode of the items continuously without interruption and count the items scanned one time, 4. Additional feature required in the app a. Export feature to excel file and ability to send it via email or via USB b. Ability to scan the items up to 3 barcode c. Option to make the item master quantity zero and any time the user want d. Ability to send the items scanned at any time via email or USB The handover should include execute files and open source.