You can mine c4ei by accessing
https://c4ei.net/.
how to mine
https://c4ei.net/how2mining.html is here and
If you have difficulty setting up metamask,
If you download ggbwallet from Google Play, you can just mine.
I can't speak English, so I use Google Translate to write.
Please understand.
And if you know how to list on the exchange, please advise.
c4ei.net@gmail.comthank you.