Google Classroom is a free application developed and released by the tech giant with the purpose of making it easier for teacher and students to connect. It can be used by anyone having a personal Google account for free. Inside this software you can create different multiple classes, stay organized, communicate and so on. As with the rest of the applications made by Google, this one rocks a very friendly and simple to use interface.
Teachers are able to add students to classrooms just by giving them a code. One of the main purposes behind this application is to provide a better organization and each student is able to see assignments on an assignments page. As a student, you can also see class materials like photos, documents, videos, and more, inside your Google Drive. This leads to paperless workflow and everything saves time.
In terms of communication, users registered as teachers are able to send notifications regarding class discussions. During this stream, students are allowed to share resources and provide answers.
First of all, as soon as you've downloaded the Google Classroom APK, you need to access the Settings panel of your Android mobile device. While you are there, look after the Security section and activate the Unknown Sources feature by checking the box located next to it.
After you complete this simple step, you are allowed to install any application or mobile game compatible with your smartphone/tablet without going through additional steps.
You can always revert this security feature to its default value. Keep in mind, if your gadget uses a different language, the name of this setting will change accordingly.