You should be familiar with Twitter API.
The site will be 1-2 pages. A box and a post button. The post button will send a tweet from an already configured account on backend also should create a dynamic page including the tweet.
Since twitter has text size limit, if user exceeds length it will tweet this as: somelongtweethere... [url removed, login to view] to direct back to the site.
2. page should display tweets from a predetermined account.
Site should be mobile compatible, jquery recommended. You are also responsible for the design.
We can talk details.
1- No indian bidders
2- Price will be paid upon successful completion/(payment only from [url removed, login to view]) since freelancer is swarmed by scammers.