Make sure you have the latest version of VuSpex GO installed:
https://vuspex.com/go/
Sign in with your VuSpex Account
Enter your email
Enter your password
Tap Sign in
If you do not have a VuSpex Account, create one:
Tap “Create Account” on the Sign in screen
If you have an account but forgot your password:
Tap “Forgot password” on the Sign in screen