NDB admin panel for Google App Engine

Used github to find rain repo to answer someone's question. And noted NDB Admin repo (https://github.com/vsergeyev/ndbadmin). If you use Google App Engine with Python, it may be worth to look. It build with Django/Flask in mind.
One picture is better than page of words:

Or live Demo: http://ndbadmin-live.appspot.com/

Usage is straightforward, add Meta subclass into your Model definition.
Something like this:

class Item(ndb.Model):
    name = ndb.StringProperty()

    class Meta():
        def __init__(self):
            self.order_by = Item.name