How to Find out How much You have Paid for Apps and Games on Google Play Store
These days if you don't pay for an App or Game and get it for free, you have to buy the In-App-Purchase options to get to most of that installed ...
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By default, if your device is connected to the internet, you are shown to your contacts as Online in the WhatsApp. To hide last seen status and become invisible in WhatsApp for Android, do as follows:
1. Open WhatsApp on your Android device
2. Tap the 3dot icon the top right and go to the Settings.
3. Follow this path: Account >> Privacy
4. Under the Who Can See Personal Info, touch the Last Seen option
5. You can specify who should see your online status: Everyone, Contacts, Nobody