The first step is to simply grab the Firefox Browser from the Android Marketplace (Google’s chrome browser app also works but is not officially fully supported by Microsoft). Firefox is one of the browser officially supported by Microsoft for SharePoint 2013 and will allow you to login to your SharePoint Hoster site and login. Firefox supports SharePoint’s login popup and allows you to login to your site! By using the Firefox Android app as your browser, you can visit your SharePoint Hoster URL and login and edit your site.
If you have an Android phone give it a try! Firefox runs SharePoint really well and the mobile version is no different. Sign-up for a Free SharePoint 2013 site today!