The mobile telecommunication (telecom) sector has become the basic source of information now-a-days especially in Cameroon. It is used to transfer and deliver information through voice, video, data, graphics, and more at perpetually increasing speeds. The quality of mobile services does not only...

Many mobile app providers offer their apps for free and base their business models on user engagement. However, declining app usage over time threatens user engagement and the ability of apps to create business value. To keep users engaged, app providers use gamification, i.e., they link their...