Bug Report : repository problem, not detected when posting via smartphone

Hello everybody, how are you? hope you always fine. today i wanna give some bug report to utopian.io that i got before.

Yesterday, my first post on utopian-io. I really do not understand how it's happened. But here I want to explain and tell that there are obstacles here and hope there is improvement. Because, it is very uncomfortable for the newly started contributor on utopian.io.

Before explaining all the problems I want to give a little summary about the smartphone and browser that I use so that our discussion does not come out of this scope.
SUMMARY
Himax Polymer 2x
Android Version 5.0
Google Chrome 62.0.3202.84

ISSUE
Honestly my first post in utopian.io about "Applying 3 basic ideas for steepshot to make it Perfect"

So, the problem is when I write an article about "Steepshot" in the first "Suggestion" section I do not know what repository I fit. So I conclude if applying it by default is the right thing.

Here is the obstacle, the first time I fill the repository .. does not appear any repository, I type "utopian-io" I press ENTER still does not appear, then I took the initiative to try various ways ranging from writing complete repository address and the like but still not can.

And the last thing I try and succeed is I try to logout, and re-login is just emerging after I finished the post is indeed all been successful.
But after it all. I get a notify from the moderator if the repository I filled does not match so I was advised to change it in the edit.

Okay I change it quickly here start the next problem still in the repository field "same problem happened" so I try to login again as I did before but it can not, it doesn't work like before.

I also tried to ask the moderators and even everything I feel panicked, how not? This is my first chance but instead wasted because I chose my wrong repository. So I assume it will try to edit it via computer. And right after doing it through the computer then I can post it.

So in this article I submit a report, I hope from the developers utopian.io do a little improvement in this section in order to make the contributor can still write even if only using the smartphone only.