However, the problem is that the implementation was flawed. Relying on people having solely the Android platform is a mistake. Basing it on the web as well as having a simple implementation over many platforms and having some sort of SMS or MMS integration for non-smart phone users might have got you somewhere. How to make money from it is a different question entirely though.
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Actually, I think the idea isn't terrible.
However, the problem is that the implementation was flawed. Relying on people having solely the Android platform is a mistake. Basing it on the web as well as having a simple implementation over many platforms and having some sort of SMS or MMS integration for non-smart phone users might have got you somewhere. How to make money from it is a different question entirely though.