Notifications – Calendar Help Google Calendar app

You can edit your default notifications for both regular events and all-day events. You can also choose to be notified with device notifications, emails, or both. Open the Google Calendar app . In the top left, go to the main menu . Choose Settings at the bottom. Choose one of your calendars, like Events. Touch the notification to change or remove it, or touch Add a notification.Your changes sync with your computer notifications. For example, if you chose “60 minutes before” on your phone, you’ll get a pop-up notification on your computer 60 minutes before your event.Sound and vibrate settingsYou can change the sound and vibrate settings for the Calendar app: Open the Google Calendar app . In the top left, go to the main menu . Choose Settings at the bottom. Select General. To change or turn off the sound, switch off Use standard tone, touch current tone, and choose another sound or None. Switch Vibrate on or off.

via Notifications – Calendar Help.

How to Enable Developer Options/USB Debugging Mode on Devices with Android 4.2/4.3 Jelly Bean | Syncios iOS Manager

Open Settings> About on your Android phone or tablet.
If you have a Samsung Galaxy S4, Note 8.0, Tab 3  or any other Galaxy device with Android 4.2, open Settings> More tab> About and tap it.
If you have Galaxy Note 3 or any Galaxy device with Android 4.3, go to Galaxy Note 3 from Settings> General> About and tap the Build version 7 times.
Now scroll to Build number and tap it 7  times.
After tapping the Build Number 7 times, you will see a message “You are now a developer!”

TrueCrypt Compatible Encryption on Android with EDS | XSLab

What is Encrypted Data Storage?

EDS is an Android app that will store your files in the secure container encrypted using AES-256 algorithm. The application uses file format that is compatible with TrueCrypt, so you can open the container created on your Android device with your desktop computer and vice versa

for education: