To activate two-factor authentication (2FA), login on the (www.kinderpedia.co) web page, and access the "My Account" section on the left, next check "YES" on the "2FA" option.
Next, you just need to insert the code received on your email address and click save.
On the mobile app, go to "Account Settings" > "Security" and check Two-Factor Authentification.
Now just type the code you received on your email address and "Save".