HELP what game is this?

[9v system]

hello all

i need help to name this game that some students at my school have been playing.

i will explain it as much as i can

ok so your a circle with the president of the uk in it, and you are in this feld of coloured circles and you have to collect the small circles by moving around and as you do that your circle gets bigger.

it is a game for ios but that is all i know

please help

thanks

[BossFight]

Probably 'Democracy 3'

https://itunes.apple.com/nl/app/democracy-3/id882525717?mt=8

[The Lego Nolan]

Agar.io