You can join these online whiteboard classrooms from any device. We prefer it if you use a laptop or a computer system as the screen is bigger otherwise you can join through your mobile also. It’s a virtual classroom powered by Google Classroom. It has all the tools such as a whiteboard, writing tools there teacher will upload reading, writing, listening, and speaking tasks. Both tutor and student can write and upload files on a common whiteboard and instantly see each other’s work.