Only that a core developer, or somebody else involved with the project submits an application. All the information, including links can be found here.
Once the application is done, then we all need to vote on it. Which means a solid week of campaigning here on Steemit to remind everybody to go vote.. which should be totally do-able, and in fact highly profitable for some of you top Steemians to run a daily post like that! ;)
We all win, because the price of STEEM goes up, and more people can join the ecosystem.