The currency that the in-game shop charges is set by the app store and the settings on your app store account. We are therefore unable to control the currency you are presented with directly and this must be changed in your account settings.
To change you country store on an Apple device please follow the below steps:
- Tap the Settings icon and select the iTunes & App Store option.
- Tap your Apple ID and sign in if you aren't already.
- Tap View Apple ID and enter your password again if prompted.
- Tap on Country/Region and then Change Country or Region.
- Select your country, tap next and follow any further instructions given by your device.
For any issues during this process please contact iTunes support.