The team says the Chrome/Android issue is due to caching (as users are able to log in on other browsers). Here are the steps one needs to do to clear cache and remove cookies:
1- go to your phone settings
2- get to the list of all apps installed on your phone
3- pick your browser
4- you should see an option to manage the storage for that app click on it
5- now you should see a couple of options: if you click on ‘Free up Space’ you will delete all cookies and other cached items on your phone from that app; if you click on ‘Manage’ to clear cache and cookies only for College Confidential