A multivocal literature mapping on mobile compatibility testing

Today's mobile market is composed of multiple brands and device models with different characteristics. In addition, mobile apps can present particular behaviours when running on these diverse devices. Mobile compatibility testing is a quality assurance task aimed at ensuring that apps run correctly on all devices. However, it is infeasible to test all devices on the market. This paper aims to identify and categorise the research evidence that has been published in Mobile Compatibility Testing. We conducted a Multivocal Literature Mapping (MLM) divided into two phases: a systematic mapping study guided by the snowballing approach and a grey literature review. Results have evinced a need for continuous monitoring of API evolution and operating systems' updates. Those changes have an immediate impact on mobile app compatibility and device selection for testing. There is still room for new studies to understand the mobile app characteristics to improve methods for selection of devices.