It is probably a new feature that will come out with the release of Ghost Story Island. As seen in the sneak peek, the features could be (left to right in order): how many island medallions you have,...
The word sneak has 2 meanings:
To go or move in a quiet, stealthy way. To behave in a cowardly or servile manner.
Depending on the situation you faced you may come into any of the 2 mentioned...