Add a short description and a link to Play store

README.md

@@ -1,2 +1,19 @@
-# keyguard-app
+# Keyguard
+
 Keyguard is an alternative client for the Bitwarden® platform, created to provide the best user experience possible.
+
+_Can be used with any Bitwarden® installation. This product is not associated with the Bitwarden project nor Bitwarden, Inc. Bitwarden® is a registered trademark of Bitwarden Inc._
+
+<a href="https://play.google.com/store/apps/details?id=com.artemchep.keyguard">
+  <img alt="Get Keyguard on Google Play" vspace="20"
+       src="https://play.google.com/intl/en_us/badges/images/generic/en-play-badge.png" height="60" />
+</a>
+
+#### Highlights:
+- a beautiful rich **Material You** user interface;
+- a **powerful** and **fast search**;
+- a watchtower that finds items with **Reused passwords**, **Inactive two factor authentication**, **Unsecure Websites** as well as **Duplicate**, **Incomplete** and **Expiring** items; 
+- **multi-account support** with secure login and two-factor authentication support;
+- add items, modify, and view your vault **offline**.
+- beautiful **Light**/**Dark theme**;
+- and much more!