sm3 DIR is a free Android application developed by Universal Technology Co. Ltd. It is a business directory for Myanmar cities, including Yangon, Mandalay, and Naypyitaw. The app offers detailed business listings, contact numbers, emails, website information, and company descriptions. It also includes location data for these cities and a Myanmar traditional calendar.

The app provides useful and emergency numbers that can assist users in various ways. It also offers market information about local exchange rates, international rates, and gold prices. Users can stay up to date with privileges and discount news from various vendors. Additionally, the app features a movie session that provides information on both on-board and upcoming movies, as well as theaters.

Users can easily access and share business information through Bluetooth, email, web, or vcf. The "favorite" button links to frequent calls, making it easier for users to contact their preferred businesses. The app is available in three languages: Myanmar, English, and Chinese (simplified and traditional). It also has an auto-update feature, ensuring that users have the most up-to-date information.

Overall, sm3 DIR is a comprehensive and useful business directory app for those in Myanmar cities. Its features and ease of use make it a valuable resource for both locals and tourists.