Microsoft is doing a good job getting its flagship products on Android and iOS. Office for Android was released a few weeks ago, and in our testing is a sterling implementation. Those planning on using Office on an Android tablet need to be aware that it doesn't yet run on devices with an Intel processor.See related: 10 productivity-boosting Android apps
Most Android tablets have an ARM processor and will run Office well, but more tablets are appearing with Intel inside and need to be avoided. Microsoft plans on producing a version of Office that will work on Intel-based tablets, but until that happens it's advisable to wait for the release.