I've seen tech like this on display at the IFA already 15 years ago. Forgot the name, but it was pretty hyped at that time. You could even demo it live. Sure, it was only to steer a sidescrolling video game character, but it worked great with as little training of half a minute or so.

Anyhow, Alterego just seems like another vaporware product, that will never enter or even begin to penetrate the overall market. But let's see!