Open Password Cloud and go to the settings, then click Export data to your device.
Password Cloud, created a file with the name Password_Cloud.db, it's located in the root of the device.
That encrypted file, contains all your passwords.
Now, copy that file to the root of the other device, open Password Cloud and click the Settings button, then click Restore data from the device.
Remember to always grant permissions when required, otherwise this and many other operations will not work.