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Did you check my comment above @shanted ?
"Check my comment comment here that you find under the FAQ:s."
When you delete the app, it also deletes that Boosters and Lives since they are saved in the device's memory. If you lost any purchased Boosters, then email Player Support to get them resent. Go to the game's Start Menu, then Settings - Help Center - Purchases & Gold Bars - Contact us and send them an email.