You can use MirrorOp Sender: https://forums.androidcentral.com/e?link=https%3A%2F%2Fwww.anrdoezrs.net%2Flinks%2F100048248%2Ftype%2Fdlg%2Fsid%2FUUacUvbUpU2534975%2Fhttps%3A%2F%2Fplay.google.com%2Fstore%2Fapps%2Fdetails%3Fid%3Dcom.awindinc.sphone2tv&token=YJue8Azz .
There are already Nexus 7 users...