Sec Note is a password protected free note taking application for android. It helps keep all your personal data secure and safe on your android phone. You can create simple notes spreadsheets(Excel type) and checklists. It is the only app in play store offering multiple security options like password protection pattern lock and pin lock.
Please visit http://www.sec-notes.com for support.
What makes Sec Notes the best -

- Security - Notes can't be read even if a thief is able to root your phone.
- Password Pattern lock and Pin lock to choose from.
- Protect and Un-Protected notes individually.
- Home screen shortcuts for individual notes.
- Folders to organize notes.
- Automatic cloud backup options to Google Drive and Dropbox.
- All nots are stored encrypted using NSA and Military grade AES128 encryption algorithm.
- Three types of notes can be created - Notepads Excel type spreadsheets and checklists.
- Undo/Redo buttons in notepad and spreadsheet.
- Formatting options available in all notes.
- Spreadsheet supports formulas.
- Import notes from files. Text notes as well as csv files are supported.
- Export notes to SD card as text html or .xls(excel) files.
- Automatic locking after idle periods.
- Reminders.
- Text to speech.
- Random password generator.
- Share your notes.
- Backup/restore notes to SD card securely.
- Custom fonts.