The service allows you to upload multimedia to a short-form blog. Users can change the appearance of their blog through HTML editing. Official mobile apps for Tumblr were born from the company’s acquisition of Tumblerette in 2009.
Tumblr has methodically updated its iOS and Android apps, supporting all manner of media. Fortunately, the new Windows Phone app does not appear to skimp on any functionality. GIFs are supported, along with the standard fare of videos, quotes, links and the rest which puts this Windows Phone version 1.0 on track with its iOS and Android contemporaries.
Tumblr has over 100 million blogs to brag about and supports in excess of 75 million posts on a daily basis. You can check out Tumblr for Windows Phone right here.