In case someone is looking for the GeoTweets app done with Google maps Markers (Infowindow) and the Twitter API in Sencha Touch 2 using Sencha Architect that I made, here is the screencast in Youtube and the code located in GitHub:
GeoTweets Sencha Touch 2.0 using Sencha Architect 2
Here is the screencast (in Spanish - en Español):
Any suggestion, please let me know!
Cheers! happy coding!