Game preservationist who specializes in Japanese feature phone games (keitai games). 私はガラケーのゲームを保存しています。
Joined July 2020
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In an amazing turn of events, @YuviApp has preserved the ENTIRETY of Professor Layton and the Mansion of the Deathly Mirror! All six chapters were found on a junk F906i. Previously, we only had the first three chapters. An English translation will happen in due time! (1/3)
In a surprise turn of events, Rockman Poker was preserved by @frigamarrymepls! This originated from @GoodTofuFriday's dump of Midori's keitai, the same dump that had copies of Rockman.EXE PoN/LoN and Rockman DASH 5 Islands. Nearly three years ago, we overlooked this Flash file.
A trial version of Rockman X2's Yahoo Keitai port was preserved by LNRC! It only contains the opening stage. Hopefully we'll find the full game in the future! X3 and X4's keitai ports remain lost to time. Thanks to NaoyaShinota for patching this game's network check.
Saru! Get You! Tennis (サルゲッチュテニス) was preserved by LNRC! Released exclusively for keitai, this is an Ape Escape-themed tennis game. There are four playable Pipo Monkeys, and each has its own special move.
The i-mode and Yahoo Keitai ports of Rockman 3 were preserved by Xyz and LNRC! Our i-mode copy dates to 2005 and has 攻略モード, which lowers the game's difficulty. Our Yahoo Keitai copy is an updated release. Later iOS/Android ports of Rockman 3 appear to be based on it.
The first third of Gokujō Parodius's i-mode port was preserved by an anonymous user! This features the game's first three stages. The game occasionally has audio issues in OpenDoja, but this should be resolved in due time.
Jaseiken Necromancer 2 (邪聖剣ネクロマンサー2) was preserved by an anonymous user! This is a keitai sequel to Jaseiken Necromancer, a PC Engine RPG. It was later rereleased on DSiWare as "Jaseiken Necromancer: Nightmare Reborn." The original keitai version was lost until today!
As keitai game preservationists continue to work away at preserving Before Crisis FFVII, @sousi_ff has been graciously uploading his own gameplay recordings. This includes our first ever video footage of Weapon D Mode (Jade Weapon superboss)! I've linked Sousi's YT channel below.
Sousi's Before Crisis playlist: youtube.com/playlist?list=PL…
シェアしてくれてありがとうございました！
This is probably the biggest update to Keitai World Launcher to date! It's so much easier to navigate, on top of the new integrations with Keitai Wiki. It's amazing to see how far keitai game accessibility has come since KWL launched in March 2025. Huge props to @YuviApp!
RockmanCosmo retweeted
In July 2026, a major earthquake struck Kumamoto, causing extensive damage. So, keitai game developer nazenaninadesico is donating its entire August profit for the game Kurimoto Quest!
store.steampowered.com/app/4…
RockmanCosmo retweeted
The English Translation for Dirge of Cerberus Lost Episode is now available! Play as Vincent Valentine as he makes his way to the Shinra Mansion in this once-lost mobile spin-off game.
Hacking: Yuvi
Translation: turquoisehammer.bsky.social
Playtesting: Odysseus
Special Thanks: Shinra Archaeology
Breath of Fire: Ryū no Tsurishi (ブレスオブファイア竜の釣り師) was preserved by @SwitchPcorner! This was a keitai-exclusive Breath of Fire fishing minigame, lost to time until today. By trading in your fish, you can purchase different lures and fishing gear!
At long last, the FULL version of FFVII Dirge of Cerberus Lost Episode has been preserved by @YuviApp! The game's SD card data, which it fully relies on, remained encrypted until now. Despite being 9MB, the game contains cutscenes, voice acting, and 3D shooter gameplay.
Yuvi spent weeks and over $900 to make this happen. For more on his crazy encryption bruteforcing journey, read Yuvi's informational blog post here:
medium.com/@yuviapp/the-stor…
Keitai Archive has uploaded its collection of i-mode ringtones to the Internet Archive, which include a few ringtones officially distributed by Nintendo! These were likely lost to time until now. There are also a lot of great fanmade ringtone arrangements of game/anime songs.
You can find Keitai Archive's collection here: archive.org/details/ringtone…
Please note that in order to play mld files (DoCoMo's proprietary audio format), you need an application like PSMPlayer or MCP MA-7.
Rozen Maiden ~Fräulein Rose~ (ローゼンメイデン~薔薇乙女~) was preserved by SPC! This is a visual-novel adaptation of the Rozen Maiden anime series, exclusively released for keitai in 2005. There were 10 episodes in total; our copy is the first episode.
User SPC preserved HA-CO, a previously-lost Konami puzzle game made exclusively for keitai! Released in 2004, you push boxes and avoid enemies to reach the stage's goal in as few steps as possible. There are 100 stages total. There's also a model viewer for character models!
Here's an archived version of Konami's webpage on HA-CO. There doesn't seem to be much else archived about it, so gameplay videos are appreciated!
web.archive.org/web/20070227…