According to a quick Google search, that app was pulled form the Play Store almost 8 months ago and based on a current search of the Play Store it has not returned. I have to wonder if maybe the service is being shut down.
Looks like the developer was Softwareforme.com (the take-down notice is still listed on that site), you could try contacting their support to see what's up. For the benefit of others, please join the site and post back what they say about it.
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