Firstly, this replicates the functionality of Voice Attack, not HCS voice packs, using a far more complex method, i.e. Alexa device.
I can't see it offers any greater functionality than Voice Attack and is limited to the Alexa voice for your country, as opposed to the choice offered by a HCS Voicepack
I'm doing an sensor streaming thing for work, and stumbled onto the site (double take).
And just felt really bad whilst looking round their case-studies and tutorials
By Does voice attack do the where am I? and tell me about the system?
Because aside from a few standard recordings.
All voice attack does is just mimic a key press. There is really no actual AI - to the AI assistance.