The game looks very nice, and I would love to install the game and try it out, but right now I won't - because you are asking way too many permissions! Why?
Version 1.68 can access:
Location
approximate location (network-based) --
For Ad companies to show ads based
on your location Normal for every app
that has ads.Photos/Media/Files
read the contents of your USB storage
Needed as we store the game images etc on the mobile USB storage and need to read it.modify or delete the contents of your USB storage
Storage (
Same as Above in case you install our app on memory card) read the contents of your USB storage
modify or delete the contents of your USB storage
Microphone (
This is needed if you need to send voice messages to us during chat!)
record audio
Other
receive data from Internet (
Its needed as game saves your score and data on internet)
view network connections (
This is needed to know if Internet is working!)
full network access (
Similar just internet access)
run at startup (
This is needed to show push notifications, used by all apps who show push notification.
If you have disabled push in your notification for apps this would be disabled)
control vibration (
Because game gives vibration when the bird is hit!)
prevent device from sleeping (
so prevents it from getting off while game is playing again normal for game apps!)
We understand that being bitcoin community we are very careful about permissions and data we share online.
We would like to mention that we totally share your concern.
But the permission in the app are very normal for any game applications out in app store.