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Testing on REAL devices versus on emulators primarily improves
ANumber of automated screenshots taken
BReliability and realism of test results
CCost of acquiring the device matrix
DSpeed of one off debugging sessions
Answer & Solution
Correct answer: B. Reliability and realism of test results
Real devices catch issues simulators miss (battery, camera, true interrupts like calls/SMS, real memory pressure, real touch). They cost more but produce reliable signals. Emulators are great for fast inner-loop dev.
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