One of the major shortcomings of Windows Phone & Mobile (up to and including version 7) is the lack of multi-tasking operating system (the ability to switch applications and their work in the background)
Moja ya mapungufu makubwa ya Windows Mobile (hadi na pamoja na version 7) ni ukosefu wa multi-tasking mfumo wa uendeshaji (uwezo wa kubadili maombi na kazi yao katika background)