I have been the main developer on PocketLab for a while now. Besides being an amazing product with loads of users it makes use of some really interesting techology to do what it does.
You can buy a PocketLab device here
And then download the android app here
Or the iOS app here
Or just use the web app here
The website I made for my wedding was nice because it was for my wedding but also because I got to play around with canvas.
I have worked on lots of other projects. Feel free to ask me about them via email