BackgroundDeaf people with a capital 'D' are different from deaf or hard of hearing as they primarily use sign language to communicate. With a communication aid on a mobile phone, Deaf users who primarily use South African sign language (SASL) could communicate and receive clear instructions on how to take medication from a hearing pharmacist who cannot sign. This concept comes from a computer-based mock-up that was designed and tested out with Deaf users in a previous study by Looijesteijn an industrial design-engineering student from the Netherlands and a Computer Science student Muyowa who took the idea to a mobile-based platform targeting medical diagnosis. SignSupport version 3 is a brainchild of another Masters student Prangnat from TuDelft; she designed the entire frontend interface as part of her Masters project, concentrating on how Deaf people interact with cellphones and now studying conversations between the pharmacist and the Deaf patient. From her work we aim to craft a solution that can be implemented on a mobile phone for Deaf users to help them understand how to take medication obtained from a pharmacist. Deaf people in South Africa often have problems communicating with hearing people because they use sign language, not spoken language. Many Deaf people have low written/spoken language literacy thus reading, writing and lip-reading are not options for them. Besides, using a sign language interpreter is expensive because registered interpreters are very scarce in South Africa.