[bilalel]

As replied the OP, it's an anonymous friend of him.

[albedoa]

He says in his very next tweet that he doesn't know if it's real:

https://twitter.com/simonpang/status/562201979603021824

There’s lot of pay-to-review service on the net but most ppl never seen how they work. Dunno if it’s real but still give us some insight.

[robbyking]

There's a pretty big "if" in that sentence.

[albedoa]

Yup! So important I repeated it.