On chrome mobile choose setting 'for PC'
Go to www.agar.io
Erase URL, write javascript: then paste the below code:
It should look like this (on the URL link):
javascript:var d=document,s=d.createElement('script'); s.src='https://jimboy3100.github.io/lm.js';d.head.appendChild(s); *Do not copy the above code, because the "javascript:" will not be copied