Play a game on [a? the?] mobile phone ?
I'm studying English. Which sentence is correct?
A) The children like to play a game on mobile phone.
B) The children like to play a game on a mobile phone.
C) The children like to play a game on the mobile phone.
D) The children like to play a game on their mobile phone.
E) The children like to play a game on mobile phones.
F) The children like to play a game on the mobile phones.
G) The children like to play a game on their mobile phones.
If you want to talk about children and smartphone games in general, which sentence is most appropriate?
Thank you in advance.