![](https://play-lh.googleusercontent.com/EGemoI2NTXmTsBVtJqk8jxF9rh8ApRWfsIMQSt2uE4OcpQqbFu7f7NbTK05lx80nuSijCz7sc3a277R67g=s32)
A Google user
This is a very clever app, but I have a few requests: maybe you could add a description or small article about black holes or something, as mentioned in a previous review, you could also have a menu for changing effects eg density/size and here's the problem: I don't know if it's my phone or the app - I would love it as my wallpaper, but after a while it would disappear back to the default wallpaper of the phone - I wonder if you could fix that?
33 people found this review helpful
![](https://play-lh.googleusercontent.com/EGemoI2NTXmTsBVtJqk8jxF9rh8ApRWfsIMQSt2uE4OcpQqbFu7f7NbTK05lx80nuSijCz7sc3a277R67g=s32)
A Google user
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It's a pretty cool background with 4 variations, but 2 of the 4 are locked until you either share the app or rate it. However this feature doesn't work at all, and they will remain locked even after you do both.
10 people found this review helpful
Render6D
September 21, 2019
Thank you for reporting the problem. We will look into that, as you are the first one to experience this issue!
![](https://play-lh.googleusercontent.com/EGemoI2NTXmTsBVtJqk8jxF9rh8ApRWfsIMQSt2uE4OcpQqbFu7f7NbTK05lx80nuSijCz7sc3a277R67g=s32)
A Google user
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i wish to see more. i was hoping i could turn my screen from left to right and I'd see some effects. actually there's isn't any settings whether to slow it down or like more dark. i hope it gets more options in future update. good app.
13 people found this review helpful