android apk to gernate Serial number

Hello i have experience about mobile app i have made Chat App, IPTV Android app, Photo Sharing App and booking app also.. i have experience about OCR application for multiple platform.. i have many mobile apps for recognize number and character and card recognizer... i can also decompile any exisiting apk... if you have sample app, i will extract full source code and you can customize that app.. if you have interest contact me. thank you..

I have more than 4 years of experience in android development and built many apps with almost all of the integrations and also new mongoDB concept else than RestApi so I can easily provide you with the app to generate serial numbers within 10-15 days with all of your requirements

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i am highly motivated android developer , newly working as freelancer want a opportunity to show by best skills to gain place in freelancing market . I will do this work in best possible way and as quick as possible

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