For those in need of Microsoft Office on mobile devices, you can now install the widely-used office suite on Google Android devices.
Office Mobile for Office 365 is the name of Microsoft's Android software targeting business users. Microsoft Office Mobile requires an Office 365 subscription and allows viewing/editing Word, Excel, and PowerPoint documents from your Android device.
Microsoft Office for Android supports cloud storage via SkyDrive and SharePoint, email attachment integration, phone optimizations, and other Android integration features.
While there's already many other open-source office suites for Android, if you're in need of Microsoft Office it can be found on Google Play