From the announcement:
Wattpad mobile usage continued to grow rapidly. Subscribers now come from 600 mobile operators in more than 160 countries with cumulative downloads of over 5 million. The combination of the four major English speaking countries - US, UK, Canada and Australia - contributed to almost half of the total ebook consumption in Q4. Followed by Vietnamese and Bahasa Indonesia. US was the global leader in total ebook consumption (34%).
Java devices remained the most popular in mobile ebook consumption. In particular, usage of Java devices in Asia experienced a 75% quarter to quarter growth, even faster than the iPhonesgrowth in English speaking countries (21% quarter to quarter). Android was the fastest growing segment among all mobile devices in ebook consumption. Though the usage was relatively small compared to other devices, Android was growing at a pace of 260% quarter to quarter.