Well, your favorite (mine too) and popular app Osfoora HD now can run on iPhone 4 with the Amazing Retine Display, Yes now Osfoora HD 1.5 Released and brings support for Retina display and not only that, it fixes a lot of bugs in the previous versions (1.4). check the changelog below..
– Enhanced for Retina Display.
– Enhanced Geo-Tagging.
– Bug fixes.
– Background tweeting coming soon.
You can purchase Osfoora HD from Apple’s App Store for only $2.99 and can be purchased by navigating your browser to the link below:
Download Osfoora HD 1.5 for iPhone, iPad and iPod Touch [iTunes Link]
You may want to check our iPhone Apps Gallery and iPad Apps Gallery that you may be interested in.