In this task, you are given an app review. Your task is to identify whether its sentiment is "Positive" or "Negative".
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Question: Amazing A very useful app. I originally downloaded the free version from github  but decided to buy it here as the dev deserves the money.

Answer: Positive


Question: Doesn't work on Samsung galaxy s3 I heard great things about this and how it could help me calibrate my battery.. It doesn't work at all.. No widget  no nothing..

Answer: Negative


Question: Not working on 5.0.2 HTC One M8. And old pics from 2.2???? Bad  very bad.

Answer:
Negative