Bangle.showLauncher() - not showing launcher

How does the Bangle know which launcher to select if you have more than one installed.

It searches for *.info files and finds one that mentions launcher

So if it's no longer running an existing launcher, maybe it's possible that at some point you created a launcher app with the same ID as the default launcher, so when you then uninstalled that app, it deleted the launcher.info file?