Upon the completion of preparing the learning materials, instructional designer will proceed with producing a
single path prototype. The single path prototype examines the operational and navigational structure of the apps.
A researcher had developed a simple prototype of the apps to ensure that the program runs smoothly from the
beginning to the end. A researcher than proceed with alpha version, a completed apps that soon be provided to
the students to provide feedback. In this study, a researcher had conducted a preliminary investigation (PI)
whereas the apps were distributed to the students and a set of open-ended questions were prepared for students to
provide feedbacks and opinion regarding the contents of the apps, the operational features and also the
navigational structures. Feedbacks and opinions were gathered and several changes have been made before
proceed to beta version. For example, in alpha version, the apps were embedded with video tutorial to assist
student in learning, however students suggested providing a video tutorial with playback button. This will enable
them to have full control over the video. For instance they would play, pause, stop and repeat the video according
to their preferences. The alpha version was revised and with beta version, the apps were introduced as Version
1.0.0.