In a blog post Microsoft said:
On Android, we've also made a number of improvements to give you more control over your files and folders. First, you can now access your OneDrive recycle bin, so you can find and restore deleted files right from your phone or tablet. And second, the OneDrive app now supports widgets. You can pin folders directly to your home screen for easy access. This has been a very popular feature on Windows Phone for some time, and we're excited to bring it to Android.
Microsoft recently announced that subscribers to Office 365 would be able to access an unlimited amount of OneDrive storage space at no extra charge. What do you use your OneDrive account for?