WPML best page selector with php

I have a multilingual website made with WPML.
I have php code to run across pages but I cannot uniquely target the page with is_page(ID) since the ID of the page changes across language domain.
I need to write the code to target the page for each language.
What is the best practice to target pages across language domain?

add_meta_box (Will display only in specific page admin WordPress)

I am wondering how to add meta box in WordPress specific page admin, I mean when I create meta_box with code snippet below provided from source tutorial is really perfect and effective but one thing that I need to control is display that meta_box only in specific page for instance: pretend I have two page in my WordPress project named Home and About.

Large WordPress CRON job

I’m programming the integration with external API (real estate). I have one CRON job which is planned for at 1 o’clock am. It’s running very well because I’m using server CRON initialize instead WP CRON standard so It’s running at the right time.