Google has launched its much-anticipated Google eBookstore, complete with an ereader app for Android (and one for iOS too). Users will be able to choose from more than three million titles – including hundreds of thousands for sale – made up of public domain classics and brand new bestsellers.

If you don’t have an Android 2.1+ or iOS device, you can use Google’s eBooks Web Reader for cloud-based ereading in the browser. The Google eBookstore is initially only available in the US.