you maybe finding all means to create a gmail email address with your phone but wouldn't know how to do that;
even people go to a nearby technology centre to pay for just that,
but thank god you are in webnote institution's website that will reveal to you of how you are to do it yourself without paying penny;
So in that case all you have to do is just locate gmail app that's associated with other google apps in one folder of your phone's desktop folder, then click it and you will see a fly out content of it that will prompt you to add email account
Then click it to add or create a google mail account.