PIN Keeper (Credit Cards) on PCPIN Keeper (Credit Cards), coming from the developer Hippo, is running on Android systerm in the past. No more eyeing the battery or frustrating calls at the wrong time any more.Just enjoy PIN Keeper (Credit Cards) PC on the large screen for free！PIN Keeper (Credit Cards) IntroductionPIN Keeper - store your PIN numbers anywhere in secure.Key features:► 4x4 pattern key► strong encryption using AES (Advanced Encryption Standard)► secure memory protection at runtime► open source code► partial data storage► up to 5 slots free storage► no ads and usage limitationsPremium features:► crossplatform device synchronization► up to 31 slots storage► changing pattern key► safe deleting dataWarning! Please enable application data sync for your Google account.