Spotify is gone(?)

[Fifilil]

Hi everybody I have a problem
.since last two or three days my Spotify is... Not even off I can't launch it. On App Store is showing that I didn't even download it. So I try and circle closed and nothing happens. What is the very wierd. Icon was "replace" by white square which is shOwing "instal" and I can't delete it! I have some screen shoot if someone can help

iPhone 5 9.0ios