Promo video for mobile game is a 30 seconds clip of gameplay highlights enriched with bits of marketing texts and additional visual effects to attract attention. Such videos are used as game previews in App Store and Google Play. A good promo video has to show a minimum of main gameplay mechanics and make users interested.
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On average, it takes about one week to create such a video. It is enough for me to have a link on the game and a short script with marketing texts.
Usually I can work without the original graphics and animation.
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As a result, you get a set of videos with different aspect ratios for different types of devices.
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Average price for the set of videos is $450