How do I know if my gig is innovative?

[dafsoftware]

Hi, Im new at fiverr, I had an idea and just posted my first gig.
I would like to know if you consider my gig good or not, just tell me if you would consider buying it or not and why =)

Any suggestion is also welcome.

https://www.fiverr.com/dafsoftware/create-a-videogame-with-your-friends-faces?arrived_from_manage_gigs=true&display_share=true