Watchtower version 0.91 was released recently to fix a handful of reported bugs following the significant jump in downloads after the Android Central article.
-Fixed a number of synchronization issues causing force close
-Increased header sizes at user request
-Now remembers previously opened tab
-About information added
It held the number 1 spot on AppBrain for most of the day before ceding it to Angry Birds (which is probably the most popular app I've ever seen with 5000 comments in less than 1 day). Watchtower is currently number 5 on the hot list.