FMGC ORDER BOOKING OFFLINE ANDRIOID APP

I need an Android app that simplifies the order taking process for our FMCG business Application take data are taken as Offline as CSV file from Google drive install in Mobile . This CSV data source are taken from Main Software from System and paste in particular drive. There are three Main CSV files CUSTOMER NAME [login to view URL] FILE , ITEMS WITH [login to view URL] FILE AND [login to view URL] FILE . APPLICATION DESIGN and PROGRAM LIST Three option in this APP 1. ORDER TAKING 2. VIEW REPORTS 3. BACKUP AND SYNC 1. ORDER TAKING Application must have THREE MAIN TAB ON TOP WITH headings 1. ITC 2. AVT 3. OTHERS BY Syncing all the three above .CSV files We ready to take order . Above three companies have different [login to view URL] file but Customers and [login to view URL] files are common. Each mush have different Invoice number. So we can Select any three of the Companies and to place Order . And after finishing order we can give finish so that the orders will save in App. For complete Detail refer Attached Wordfile . I 2. COLLECTION If we click collection then APP should show Outstanding amt with customer name in Headings. This data are taken from CUSTOMER [login to view URL] App should have option to input collection amount in DENOMINATIONS wise. App should save collection data with denomination. After completing all Inputs thean app should show Total cash with denominations . 3. PENDING ORDER / PAYMENT After clicking pending order/payment then APP should ask PENDING ORDER OR PENDING PAYMENT , IF CLICK PENDING ORDER then App should add for Pending order list FOR CUSTOMERS. And for Pending payment it should remaind at given time using google calander syn VIEW OPTIONS INSIDE A COMPANY 1. ORDER VIEW In Particular Company Tab options menu there should be View Order Option so that taken order can be viewed 2. COLLECTION VIEW Full collection list is to be display with CUSTOMER LIST WITH denomination list 3. PENDING ORDER VIEW Pending order LIST to be show BACKUP AND SYNC 1. BACKUP is to convert to Csv files . Provide list of options available in APP in Backup menu a. COMPANY A SALES BACKUP b. COMPANY B SALES BACKUP c. COMPANY C SALES BACKUP d. PENDING ORDER BACKUP e. COLLECTION BACKUP f. COLLECTION NEXTDAY BACKUP g. COLLECTION LATTER BACKUP h. BACKUP ALL (to complete backup) Provide Tickbox for each title and and backup to be done in BACKUP FOLDER OR google folder 2. SYNC is to offline sync through Csv data file. Provide list of options available in APP in Backup menu a. COMPANY A ITEMS SYNC b. COMPANY B ITEMS SYNC c. COMPANY C ITEMS SYNC d. CUSTOMER SYNC e. SALESMAN SYNC f. SYNC ALL Provide Tickbox for each title AND after sync, data to be cleared and backup to be done automatically.