Write for Android stores all your writings safely and remembers the last position you stopped writing. You can just start over where you left off when opening the app next time.
It does not come with any kind of cloud backup, text lay-outing or other fancy stuff. Just plain text editing.
Do you like Write for Android but want an online solution? Check out my new app Write for Dropbox here: https://play.google.com/store/apps/details?id=com.leihwelt.android.write2
Use the built in copy&paste functions of Android Honeycomb and Ice Cream Sandwich to make the most use out of Write for Android! You can select text passages, cut, copy and paste.
See it on a real device using fullscreen mode:
This is similar to "Pop for iOS" and comparable text editors that take on ZEN writing on your mobile phone.