I found a bug with recent feature implemented in the JustExpenses: the QuickTag widget - if you, for some reason, reboot your phone, widgets do not restore their state.
To be frank, it was a surprise for me when I found it after my phone went off due to battery discharge. I'm looking into the issue and the fix will be out soon. Meanwhile, if you faced the problem you just need to recreate the widgets.
And, of course, you can post other things that bother you or you want to enhance, here, in the comments. Or, at firstname.lastname@example.org