iCallQ is a recent calling app developed by sgcoders, who probably develops software for LFI, a popular MLM (Multi-level Marketing) company in Singapore.
The point that iCallQ is built around a MLM model makes it rather innovative. Applauds for that.
But what intrigues me most about iCallQ is how similar it is with Hoiio, where I was the iPhone developer.
Look at the comparison: