Video Or No Video?

Hi everyone!
Just a quick question would it be better to make a video so people can see how a game actually works on a website or something , so Buyers can see the video and decide to but the app
Does this increase or decrease sales?
Just a quick question would it be better to make a video so people can see how a game actually works on a website or something , so Buyers can see the video and decide to but the app
Does this increase or decrease sales?
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