Although it doesn't favorite the best tweets of the day, this library (https://github.com/rhiever/twitt...) that I've worked w/ previously will accomplish automated favoriting.
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It's a pretty solid product, only issue is that it is quite easy to spot the automation.
If the automation settings were a bit more customizable like Instagress it would be a great application to grow your Twitter following.
Is the founder on this thread? When is the Instagram version coming?
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I have compared this to Archie and Narrow, and found Tweetfavy to have the best follower to dollar ratio.
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Reminds me of BuzzFork.com, though that site had to shut down because it could no longer operate under "Twitter's API rate limits and automation rules."
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