title: How To Create a Android App With ICS UI That Works With Gingerbread and Froyo?
body: <p>How apps like <a href="https://play.google.com/store/apps/details?id=com.airlocksoftware.hackernews" rel="noreferrer">Hacker News beta</a> have use the Ice Cream Sandwich 4.0 UI on their app and at time work without any problems on 2.3 Gingerbread and 2.2 Froyo? I want to create apps that should work on 4.0 and have backward compatibility like that, but how to do it?</p>