Update README.md

README.md

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 # Reversee
 
-Google reverse image search middle-layer for Android
+Google reverse image search middle-layer for Android
+
+### Would you like to become an Alpha tester?
+I will be grateful for anybody who's willing to test and use this application. Any input from users is a gift.  
+If you find an issue and would like to report it, but you're not a tester? Don't be afrait to open an issue for me  
+
+*  Send mail to `[email protected]` from the mail you use as your PlayStore account
+*  Wait for mail verification from me with a tester link (it's a closed alpha, I need to add you manually)
+*  Download application from google store