It is well known that Deaf people are not comfortable with using text for communication purposes. In South Africa, Deaf people are more comfortable with South African Sign Language (SASL). It becomes problematic for researchers to collect data from Deaf people since they have to hire Sign Language interpreters to be able to communicate with Deaf people on their behalf. This project focuses on developing a mobile-based system that will be used to collect data from Deaf people in sign language. This will be achieved by converting paper-based questionnaires into a format which Deaf people prefer. Since Deaf people understand and prefer Sign Language, the text-based questions will be presented in video format, whereby a Deaf person will be interacting with the mobile phone in providing the answers in SASL. The problem defined will be solved by modifying ODK (open data kit).