There are many similar apps on play store. but this Diamond Broker Business (DBB) apps feature makes it unique from app list.DBB app support multiple language English and Gujarati.Why DBB app required? People those work in these industries they work with old paper work method. the people have to maintain all old diaries and papers because they are maintaining transaction details in diaries.Diaries and paper cannot auto remind about payment. People have to hard to calculate transaction in diaries. All information maintain and display in diaries its very difficult. Solution of above problem and now days people are using technologies. So, Developed Diamond Broker Business application.This DBB application has following features.DBB has user friendly UI and its very easy to use.its has inbuilt security features that based on screen lock.DBB app provides backup faculties. so, user can any time upload and download app data from google drive.DBB app does not require any signup procedure.User can also capture and store payment slip (Chitthi) and weight and CVD checker slip (Katta Chitthi).Diamond Broker app provides brokerage calculation with out store any data so, no need to use calculator.Dbb app provides pdf file of party account ledger.How Diamond Broker Business application work?DBB app work in simple way, no need to perform any hard task.First, its install from google play store after successful install its open with diamond screen.if user install first time its show simple name and mobile number and type register screen.(this data store in local device, no used third party services).If already existing user, reinstall app and backup available on drive than show screen with Download Backup and New Register menu screen.After register or download backup show menu screen.User need to add Purchase and seller party details.After that user can add packet details.User can add packet as a weight and quantity wise.User can see all details about packets at single screen like packets total no, no of packets on user hand, no of packets give for see and no of sell packets and return packets.User add packet after he/she can either return packet or give to party to see.After packet given for see user can return packet or sell packet.After sell next task is generate slip payment (Chitthi).once slip generate user can not modify slip but can delete only.if any slip payment not clear then slip can not delete.User need to select party wise packet on payment screen.its show total amount and remaining amount on payment screen.DBB app provides various reports.its help user to business management.All packets current position.Sell packets slip details.Payment report provides final transaction details and profit report.Party wise ledger report provided and also download in pdf format.Diamond Broker Business app provides brokerage report.