So you want more, great!
Here is what has been done until now and what is going to be done in the near future:
Release search interface
Add user login so that people can save stuff and tweak their search dashboard
Allow users to save their searches and add terms to monitor
Allow users to organise their search feed, boosting particular accounts and hiding others
Provide stats about community-wide emerging trends
Improve the behind-the-scenes algorithm performance so that updates happen more frequently (ideally, near real-time)
Add API access so that the functionality of the service can be embedded in other apps
Allow users to manually submit new Twitter accounts to the monitored social graph
Generalise the backend algorithm so that it will be possible to extend it to other communities other than the indie hackers one
Nothing beats human interaction, just go out and play with those who like to play the same games. Finally, you can find them.