It's not a true story. 'A Hologram for the King' is a work of fiction that showcases the creativity and imagination of the writer, rather than being rooted in actual events.
They are not supposed to reproduce coupons with the comic foil hologram. These holograms are put in place to safeguard the authenticity and validity of the coupons. Reproducing them would violate the rules and potentially lead to legal consequences.
It's not straightforward to say exactly who the hologram is in the Star Wars Solo Story. It could be a representation of a key figure for communication or a mysterious entity crucial to the plot. The specific identity would require a closer look at the story's events and character interactions.
The FMA manga ended with a powerful conclusion. All the loose ends were tied up, and the characters' journeys came to a meaningful conclusion. It left fans with a mix of emotions - happiness for the characters' growth and a bit of sadness to say goodbye.