Latest stable application for browsing Tumblr blogs
With Live Tiles and social sharing.

Only the most important:
* Browse posts by popular tags without authentication;
* Log in to Tumblr to see images from your Tumblr dashboard, likes, blogs you follow and all of your blogs;
* AlreadyReblogged feature. From then on, the posts you've queued, drafted and reblogged using Tumbling will be marked with other reblog icon or may be skipped
* Save/Restore reblogged info to the cloud
* Handy horizontal browsing: one post - one screen;
* GIF animation and video content support;
* Full size pictures browsing with usable scaling, tap a photo to view larger;
* Ability to save the original picture or video on device;
* Like or unlike posts as well as reblog them;
* One click rebloging;
* Sharing images into other applications.
* Create Live Tiles from blogs, tags, Dashboard and Likes
* Share post to Facebook or email to friends
* Bookmarks - start exploring with created earlier marker
* Save pictures to OneDrive
* Follow and Unfollow blogs
* Posting images from app and from sharing
* Image preloading
* Blog queue, drafts and submissions management: browse, submit, delete. Long tap blog name in account page
* "Save on hold" feature - save picture to device or cloud while holding
* Ability to save video to device
* Customizable UI
* Protection with pin code

Due to image caching, prefer to install on SD-Card

Use Tumblr for feedbacks - http://tumbling-app.tumblr.com/ask