The official Pokémon movie blog has updated. Translations of the new entries follows:

Today's Hoopa #5

Letter Channel #1: We Want to Hear From You All!

We are currently taking submissions for the "Letter Channel".
Send us memories, pictures etc. related to Pokémon movies via the submission button below!

How to submit:
Go to the "Application Form" page, then, in the "Application Content" section, select "Letter Channel" from the dropdown menu on top and write the following information at the start of your submission before sending it:
"Prefecture"
"Age"
"Nickname"

There is no set schedule for publishing these letters.

Submitted content will be chosen for publication by the official Pokémon movie site.
Not all submissions will be published.

In addition, please understand we may edit the submitted text to make it easier to read.

Sources: http://www.pokemon-movie.jp/pokemovie_ch/?p=479 and http://www.pokemon-movie.jp/pokemovie_ch/?p=461