Hi! From what I'm observing after using this app for 1-2 weeks, this app is mainly for us to join giveaways, give product reviews, see others reviews, can ask for opinion and check out all globally product and brand in one app. The coins that you accumulated by giving reviews, you can use those coins to get discount when you purchase items from Wishtrend, if I recall correctly they do ship world-wide. You can check more on Wishtrend website about the charges and everything. Hope this helps!