Auto Retweet and Follow back Twitter

I need you to develop some software for me. I would like this software to be developed for Mac . Hi, I need a twitter auto retweet bot and follow back bot for twitter. I need these capabilities in the app. -Add and remove Multiple Users That Follow back and Retweet -Add and remove Multiple accounts that get retweeted -Unlimited Retweets -Auto unlimited follow back everyone who follows the accounts that retweet. I have an amazon server so if that is necessary I can supply the info.