I did ask @ComputerLunch as stated in your rule #2. They said ask you.

[potent ruin]

I went to choose English (UK) but my attempts to scroll said there was no English not even US.
I even tried swiping just in case but nope.
I surely can't be the only one querying this?
Yours
Wendy Landale

My Cells to Singularity details are :
Username: LANDALES
User ID: 502AC473424B3621

[hot spindle]

@potent ruin This setting is for people who speak languages other than English, so they see their corresponding language channel, if you speak only English, you should simply skip this step