'TangmoChecker' is an application for checking the ripeness of watermelons. By
simply placing the phone near the watermelon and knocking at the shell for 10
seconds, TangmoChecker can accurately determine the ripeness of watermelons.
With a unique calculation formula to interpret the echoes it receives from
knocking at the shell, TangmoChecker can evaluate the ripeness without depending
on the size, color or weight of the watermelon. Try this for free and
you’ll love it !!!.

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