How do I download and register for the Tuya Smart app?

You can download the Tuya Smart app by searching for 'Tuya Smart' in your app store or by scanning the QR code provided in the manual. To register, open the app, tap Sign Up, agree to the User Agreement and Privacy Policy, then enter your mobile phone number or email address and tap Get Verification Code. After entering the verification code, set your password and tap Done. (Page 5-6)