This tutorial will guide you how to get access to US Play Store on your Android device. (based on Android Lollipop. Compatible with Adroid KitKat)
2. Connect to VPN.
3. Access Settings (1) on your device.
4. Go to Apps (2)
5. Select Google Play Store (3)
6. Then press CLEAR DATA (4)
7. Press OK(6) to delete app data
8. Open Play Store and press ACCEPT (6) to Google Play TOS.
Congratulations, now you are in US Play Store.