My first android app is Megastructures app

This app i had made to help people for know about present Megastructures are in world.

to use this app you mat know about 

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This app is informative app about mega structures and civil engineering. To use this app You can know about future structures near competition, theoretical mega structures, Today's modern and biggest mega structures and career in civil. This is our new app, so if any trouble to use this app please forgive us. And give us suggestion for make it better and what kind of apps you need.