The app, developed by ustwo, allows users to browse collections, receive fashion news, as well as content including videos, and exclusive offers.
Users can create a wishlist and share garments they discover while using the app with friends, via email and mobile compatible social networks, including Facebook, Twitter Flickr and Picasa.
The app also has a store locator.
According to ustwo, the new app has not been ported from the current , but redesigned from scratch to make it compatible for the various handsets operating on the Android platform.
H&M, which has 168 high-street stores in the UK, is relatively new to ecommerce, having . It launched an iPad app in December 2010.
Rival retailer earlier this week.