The app would auto scroll when you are viewing content certain apps.
The auto scroll would stop when you tap the screen.
The auto scroll would start again when you swipe up.
There would be a free version which has display ads that scroll up at the same speed as the auto scroll.
There would be a paid version where there are no ads.
The user can control the scroll speed.
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Dear Sir, We will analyze your project and give you complete roadmap from start to finish and you will have a complete understanding of the process of development. Warm Regards, Om Infowave