This is NOT a standalone app! This is a license key for Calendar Widget: https://play.google.com/store/apps/details?id=com.itbenefit.android.calendar To install Calendar Widget, use link above or find it in 'More by IT Benefit'. WHY PURCHASE THE LICENSE? - To unlock extra options in the Widget settings; - To remove Trial expired notification; - To support further development. WHAT IF I'M NOT SATISFIED? Every customer is entitled to an extended full refund within a week from the day of purchase, no questions asked. To get a refund, just write an email to calendar@itbenefit.com. Thanks for your support!