Quick summary

Shimeji is a freemium personalization app from Digital Cosmos that places small anime- and game-inspired characters on your device’s screen. After installation and activation, characters appear and interact on top of other apps, adding decorative animations such as stickers, wallpapers, and chat emotes. The base download is lightweight and you can expand the experience by acquiring extra character packs and animation sets.

What it adds to your phone

  • Chat emotes, wallpapers, and sticker-style visuals
  • Playful on-screen mascots that roam and perform short animations
  • Additional themed character packs and special animation bundles

How it works

Install the app, give it the required permissions, and turn it on — that’s generally all that’s needed. Once enabled, the selected mascots will show up while you use your phone: they can wander across the home screen, appear during messaging, and animate while you browse. The app limits active mascots to six at a time; you may download more characters but can only assign six simultaneously.

Space usage and packages

  • Base install is very small (around 6.5 MB), so it won’t consume much storage initially.
  • Downloading extra characters or animation packs will increase space usage, but it remains modest overall.
  • You can add individual packs as desired to tailor the mix of mascots and behaviors.

Examples and extras

  • The collection includes recognizable characters such as Sans (Undertale) and the protagonist from Black★Rock Shooter.
  • Beyond characters, the store offers separate animation packs that change how mascots behave or interact.
  • Some special characters and animations require payment to unlock.

Limitations and things to be aware of

  • Fullscreen apps suppress the on-screen mascots, so they won’t appear while you’re running video players or certain games.
  • Several items are gated by a paywall; not everything in the catalog is free.
  • Navigation through the catalog can be cumbersome — a search or better filtering would improve discoverability.

Verdict

For fans of anime and game culture who enjoy decorative, interactive elements on their device, Shimeji is an entertaining and simple option. It’s easy to set up, lightweight to install, and expandable through additional packs. If you don’t mind occasional purchases and the lack of advanced browsing tools in the catalog, it’s a fun way to personalize your phone with animated mascots.

Technical

Title
Shimeji
Requirements
  • Android
Language
English
Available languages
  • English
  • Russian
  • Portuguese
  • Spanish
  • German
  • Hindi
  • Norwegian
  • Finnish
  • French
  • Chinese (Simplified)
  • Swedish
  • Korean
  • Chinese (Simplified)
  • Greek
  • Italian
  • Czech
  • Arabic
  • Japanese
  • Polish
  • Danish
  • Dutch
  • Turkish
License
  • Free
Latest update
2026-01-22
Author
Digital Cosmos
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