This thread is resolved. Here is a description of the problem and solution.
Problem: The user wants to only allow a WooCommerce plugin "Japanized for WooCommerce" to load if the current language is Japanese.
Solution: The "wpml_current_language" hook can be used to get the current language code from WPML. This can then be used to disable a plugin programatically.
Relevant Documentation: https://wpml.org/wpml-hook/wpml_current_language/
This is the technical support forum for WPML - the multilingual WordPress plugin.
Everyone can read, but only WPML clients can post here. WPML team is replying on the forum 6 days per week, 22 hours per day.