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by ronyeh 4312 days ago
If your app is an Open GL game, you can check out the Kamcord SDK, which will allow you to make a screen recording of your iOS or Android game.

https://www.kamcord.com/

It won't be as fancy as the videos in the linked article, but for indie devs it's a pretty cheap way to make demo videos.

Disclaimer: I know the folks @ Kamcord.