The App is set with the following URL for future updates. Although it may seem like it comes from our web server you can override this by changing DNS on your network to open a different server, instead of ours.
App is set with this URL source: http://updates.door-tablet.com/dtwinapp/
DNS changed required for: updates.door-tablet.com
Note: if you do not change the DNS your devices will be updated from our server.
When we release a new version
You will know when we update our software via our Twitter account or one of our regular mailings. At that point head to our Downloads page under your account: