It looks great. Sadly I couldn't find Singapore in this map (well, it has 182 countries listed), but yeah that may happen when we try to cluster all the information in one single page.
It says it's compatible with all android devices having android 1.6 and above, but prompts my lg p990 having android 2.3 is not compatible while installing!
https://news.ycombinator.com/item?id=20819344