I already run a small “printing sketch house” app on Android and it works, but the interface feels dated. I would like a developer to rebuild the same core screens and flows, give them a modern, clean visual refresh, and prepare the new version for release on Google Play. Key upgrades I need during this rebuild: • integrate user login / authentication so customers can keep track of their orders and artwork • add in-app purchases for paid templates and premium print options • set up push notifications to confirm orders and alert customers to promotions The old APK and any assets you need can be provided, so you’ll have a clear reference for functionality and layout while re-skinning everything. Final deliverables should include the compiled release build, signed Play Store bundle, and full, well-documented source code so I can maintain future updates with ease. If you’ve modernized legacy Android apps before and can work efficiently at a reasonable cost, I’d love to hear how you would approach this refresh and see examples of similar work.