Instagram gives you a single, very very simple, view on the photos of your friends - a flat list in upload order. This is a quick hack that emulates a similar thing for your flickr photostream - just stuff your contacts have uploaded, in order. Formatted for iPhone.
Check out gae-flickrapp and flickrgram next to each other:
git clone git://github.com/tominsam/flickrgram.git git clone git://github.com/tominsam/gae-flickrapp.git
Copy config.py.template to config.py:
cd flickrgram cp config.py.template config.py
Edit config.py to have your flickr keys in it. The auth response url for the flickr keys wants to be
http://localhost:8080/auth for local development.
Run flickrgram using Google app engine: