update screenshots and readme

README.md

@@ -1,11 +1,12 @@
 # Simple Notes
 <img alt="Logo" src="app/src/main/res/mipmap-xxxhdpi/launcher.png" width="80">
 
-A textfield for adding quick notes with a customizable widget.
+Need to take a quick note of something to buy, an address, or a startup idea? Then this is the app you've been looking for! No complicated setup steps needed, just type in what you came for.
 
-Need to take a quick note of something to buy, an address, or a startup idea? Then this is the app you've been looking for!
 You can access the note in no time by using the customizable and resizable widget, which opens the app on click.
 
+Contains no ads or unnecessary permissions. It is fully opensource, provides a Dark theme too.
+
 <a href='https://play.google.com/store/apps/details?id=com.simplemobiletools.notes'><img alt='Get it on Google Play' src='https://play.google.com/intl/en_us/badges/images/generic/en_badge_web_generic.png' height=60/></a>
 <a href="https://f-droid.org/app/com.simplemobiletools.notes"><img src="https://f-droid.org/badge/get-it-on.png" alt="Get it on F-Droid" height="60"></a>