iA Writer - Minimal Design, Maximum Focus

YourQuote - YourQuote is an interactive mobile app that helps you to write stories, quotes, screenplays, poems, and books.

Notepad by Braden Farmer - Notepad is an app by Braden Farmer that offers features that let you write and save plain as well as rich text notes by using HTML or Markdown.

JotterPad - JotterPad Writer for Android — Turn your thoughts into text. Go about your creative writing without distractions, write to your hearts content...

Scrittor - Scrittor app allows users to create notes so they can store all their ideas and thoughts on their mobile phones to view them later.

Novelist - A portable writing assistant for novelists.