"An automated growth-hacking tool for Twitter!"
So, where's the value?
There is a chance considerably greater than that of traditional online advertising that the user will investigate you further. This could be in the form of a follow, or a click to the website in your Twitter profile.
You get consistent social media activity benefits without having to perform labor-intensive incremental work or worry about things like content or tweet timing. Just continue to use Twitter as you normally would and enjoy the added benefit of TweetFavy working alongside you!