How to improve ranking of apps in google play

[memroidapps]

Hi,
I recently developed a game, but its ranking in the google play store is pretty low.
How do i improve its ranking

 

[the tall guy]

Hi, you will need to get people to download the app and give it 5 stars. what is the name of your game?

 

[memroidapps]

Hi,
Its name is "Jungle Run", developer is "memroid".
kindly suggest ways to improve its ranking