The app for parents who want to know when their teen is on WhatsApp — without ever reading their messages.
WhatsOn is built by a team who makes a living from it. No traps, no surprises.
Copy this character folder into the img directory inside your main Shimeji-ee program folder.
Desktop Pet Shimeji: The Ultimate Guide to Interactive Desktop Mascots
Shimejis (pronounced shee-may-jee) are adorable "desktop mascots" that wander around your screen, climb your browser windows, and occasionally multiply or toss your icons around. Originally popularized in Japan, they have grown into a massive community project where fans create custom versions of favorite characters from anime, games, and movies. How to Get Started
A default character (usually a small blonde anime mascot) will drop from the top of your screen. How to Add New Character Skins desktop pet shimeji
Whether you’re an anime fan wanting your favorite character to keep you company, a retro-desktop enthusiast, or just someone who smiles at the sight of a bouncing mushroom-creature, Shimejis deliver charm in bytes.
If you have ever scrolled through social media and spotted a tiny anime character crawling over someone’s spreadsheet, hanging from their browser tab, or duplicating into a legion of mischievous sprites, you have witnessed the magic of a Shimeji. Far more than just a sticker or a screensaver, a desktop pet shimeji is an interactive, physics-based companion that turns your static monitor into a digital playground.
Elliot’s cursor hovered over the download button. “Shimeji-ee.zip.” The forum post promised a “hyper-realistic, self-learning desktop companion.” It was 2:00 AM, his code had just failed to compile for the fourth time, and the lonely hum of his gaming PC was the only sound in the apartment. Copy this character folder into the img directory
You can control the population, terminate specific pets, or adjust their cloning frequency via the tray menu. The charm lies in watching them live their tiny simulated lives while you work, browse, or game.
Ah, the .
In an era where many of us spend eight or more hours a day staring at a monitor, the digital workspace can often feel sterile and monotonous. Enter the : a small, animated character that roams around your computer screen, climbing the edges of windows, falling from the top of your monitor, and generally causing adorable chaos. How to Get Started A default character (usually
Yes! You can run multiple Shimeji.jar files from different folders simultaneously, allowing a mix of characters to walk around your screen at once. Do they work on Mac?
Remote work and long study sessions can feel isolating. Having a tiny companion wandering around your screen provides a comforting sense of presence and a quick mental break when you need a distraction. 3. Entertainment Value
While Microsoft and Apple moved toward flat, static icons, the Shimeji community doubled down on physics and personality. In 2024/2025, a resurgence happened due to "VTubers" (Virtual YouTubers) creating Shimeji versions of their avatars for fans. If you watch a Hololive stream, you will see chat spamming "Shimeji" as the character crawls over the streamer's face.
Copy this character folder into the img directory inside your main Shimeji-ee program folder.
Desktop Pet Shimeji: The Ultimate Guide to Interactive Desktop Mascots
Shimejis (pronounced shee-may-jee) are adorable "desktop mascots" that wander around your screen, climb your browser windows, and occasionally multiply or toss your icons around. Originally popularized in Japan, they have grown into a massive community project where fans create custom versions of favorite characters from anime, games, and movies. How to Get Started
A default character (usually a small blonde anime mascot) will drop from the top of your screen. How to Add New Character Skins
Whether you’re an anime fan wanting your favorite character to keep you company, a retro-desktop enthusiast, or just someone who smiles at the sight of a bouncing mushroom-creature, Shimejis deliver charm in bytes.
If you have ever scrolled through social media and spotted a tiny anime character crawling over someone’s spreadsheet, hanging from their browser tab, or duplicating into a legion of mischievous sprites, you have witnessed the magic of a Shimeji. Far more than just a sticker or a screensaver, a desktop pet shimeji is an interactive, physics-based companion that turns your static monitor into a digital playground.
Elliot’s cursor hovered over the download button. “Shimeji-ee.zip.” The forum post promised a “hyper-realistic, self-learning desktop companion.” It was 2:00 AM, his code had just failed to compile for the fourth time, and the lonely hum of his gaming PC was the only sound in the apartment.
You can control the population, terminate specific pets, or adjust their cloning frequency via the tray menu. The charm lies in watching them live their tiny simulated lives while you work, browse, or game.
Ah, the .
In an era where many of us spend eight or more hours a day staring at a monitor, the digital workspace can often feel sterile and monotonous. Enter the : a small, animated character that roams around your computer screen, climbing the edges of windows, falling from the top of your monitor, and generally causing adorable chaos.
Yes! You can run multiple Shimeji.jar files from different folders simultaneously, allowing a mix of characters to walk around your screen at once. Do they work on Mac?
Remote work and long study sessions can feel isolating. Having a tiny companion wandering around your screen provides a comforting sense of presence and a quick mental break when you need a distraction. 3. Entertainment Value
While Microsoft and Apple moved toward flat, static icons, the Shimeji community doubled down on physics and personality. In 2024/2025, a resurgence happened due to "VTubers" (Virtual YouTubers) creating Shimeji versions of their avatars for fans. If you watch a Hololive stream, you will see chat spamming "Shimeji" as the character crawls over the streamer's face.
A serious app is also defined by its limits.
No access to messages, photos or calls. WhatsOn is not a spy tool.
The app doesn't know where your teen is. One signal: online or not.
Your data is neither sold nor shared. The service lives on ads or your subscription.
Reserved for parental control of minor children. Any other use is contrary to our Terms.
24h free trial without ads. No credit card, no commitment. Then: free with ads, or €4.99/month.