Royal Society Mobile: Read and Write is a free two-in-one mobile dictionary that offers pronunciation and spelling manuals from the Royal Institute. This application is designed to help users with correct spelling and pronunciation with ease through smart search and access to their search history. It provides comprehensive pronunciation rules for Thai proper names, consonants, vowels, tone marks, ordinal numbers, and punctuation marks, along with spelling rules for pronunciation and chemical elements. It is an ideal application for students, teachers, lecturers, and Thai language enthusiasts.

The app is a product of the collaboration between the Office of the Royal Society and National Electronics and Computer Technology Center (NECTEC). With its easy-to-use interface and comprehensive features, Royal Society Mobile: Read and Write is a must-have for anyone looking to improve their Thai language skills.