The 12th Pocket Monsters movie was presented as an international premiere at the 62nd edition of the Locarno International Film Festival which takes place between August 5 - 15, 2009.

Below are the press releases from the events:
"Directed by Kunihiko Yuyama, creator of the preceding episodes as of the TV series, the film concludes the Diamond & Pearl trilogy. Following the screening, young viewers will be able to meet Japanese teen-idol Shoko Nakagawa, who sings the film’s title song and is also the ‘voice’ of Pokémon Pichu. They will also be taught how to draw Pokémon with the Japanese animators who will be in Locarno especially for the occasion.

A special treat on Sunday evening, August 9, at 9pm: as a prelude to the following day’s international première screening of the twelfth film in the Pokémon saga, the Japanese singer Shoko Nakagawa will give a performance, accompanied on stage by a live fellow Pokémon, Pikachu.

The “voice” of Pichu amongst the Pokémon, she will perform songs from the film’s soundtrack, and has become a Japanese pop idol with a massive teenage following. A delegation from the production team who made Pokémon Diamond & Pearl the Movie: Arceus and the Jewel of Life will also attend, including director Kunihiko Yuyama, who was also responsible for previous film versions and the TV series.

The official screening of Pokémon Diamond & Pearl the Movie: Arceus and the Jewel of Life will take place on Monday August 10 at 11am at the FEVI Auditorium. The film is presented in its original Japanese-language version with English and Italian subtitles, and simultaneous translation in Italian, French and German. Under-16s are offered a specially discounted ticket price of 10 CHF." (Locarno International Film Festival Press Releases)

Photos from the event have been posted on the Imageboard. Click here to see the photos from the event.

Source: http://www.pardo.ch/jahia/Jahia/home/News-and-press-releases/cache/offonce/lang/en/pid/564?cnid=4076

Like most film festivals (Sundance ect), the movies are shown in their original language. It is highly unlikely that \"Pokémon Diamond & Pearl the Movie: Arceus and the Jewel of Life\" is the dub title as the structure of that title is almost identical to the Japanese one, except translated. The dub movie titles have never included \"Diamond & Pearl the Movie:\" as part of the title like the Japanese version. The press release also indicated that \"The film is presented in its original Japanese-language version with English and Italian subtitles.\" It\'s not official until Pokemon USA announces it.

Nooo! Why did noone tell me, I live right beside Switzerland D: I would have loved to get an autograph from Shokotan or to chat with Yuyama -_-
Well, I have to agree. I mean the part with \'Diamond & Pearl the Movie\' is just the exact translation of 劇場版ポケットモンスター ダイヤモンド・パール (Gekijouban Pocket Monsters Diamond Pearl), so I guess the whole thing was just translated (in a kind of odd way). They also translated the subtitles in the same way, after all. And since it wasn\'t something official, I don\'t think there were any talks with Pokémon USA about that movie title thingy.

But who cares, the English dub will just destroy the movie anyway, so I don\'t really care about the title ^^;