To download the Partipost app, simply search for Partipost on the App Store (iOS) or the Google Play Store (Android). Install the app and follow the instructions to register for an account.
Then, you can start browsing through available campaigns and SNAP.POST.EARN!
Note: Partipost is currently operating in Singapore, Indonesia, Taiwan, Malaysia and Philippines. You have to be situated in these countries to be able to join campaigns.