Bug while updating

Smashingking13

While updating the game it shows 0.1mb and then when it reaches 0.1 Mb it stops right there and for like 20mins it's still there and i restarted the game it shows 150 mb and after reaching 150mb it stops there and i restarted the game again it shows 250mb so after it reaches 250mb it continues like 5 times....like 400mb and 500mb .it takes like 2hrs to update the game........anyone with this updating issue....I m using android device..Please rectify this if it's possible. Happening for me like last 3 updates