Here's how you can download the Tumblr app free for Android devices.
1. Go to the Google Play page for the free app Tumblr.
2. Tap the Install button.
Here's a description of Tumblr:
"- Post anything: Share photos, video, quotes, chats, links, and text. Bonus 'create a post' widget for your home screen.
- Advanced controls: Save drafts, queue posts, customize tweets, and more!
- Messages: View and reply to messages.
- Address book: Find people to follow from your address book.
- Multiple blogs: Seamlessly manage all of your blogs."