The EdgeRover™ app

Has anyone ever heard of this app and is it any good before I download it would like your all input. I got this in my email cause i have a Western Digital Passport for IMac I have this drive and wondering if app is anything good.

I have a Western Digital Passport 1TB external drive I use to backup my iMac. I was wondering if anyone on here is using this app and if it is any good.

Thank you all for your input.

Frank