John NESS
John NESS is a multi-emulator app for Android 6.0 and later.
What John NESS is
John NESS is a multi-emulator app for Android 6.0 and later. It needs game files supplied by the user, searches internal storage and SD cards for them, and supports zipped files. The app uses an original engine with high-quality rendering. Players can save progress in states with previews, take screenshots, and adjust speed from x0.25 to x16 with fast forward or slow down. Its virtual on-screen keypad has customizable keys and layout, plus turbo buttons; Bluetooth and MOGA controllers are also supported. Dropbox support requires John DataSync. John NESS is free with ads, and the listing says users can purchase “remove ads” through in-app purchases. Google Play identifies the developer as MOGORI WORKS CO., LTD., with an address in Kobe, Japan, and provides [email protected] for support. Google Play's privacy disclosure reports that the developer says no data is collected or shared with third parties. The maker's privacy policy says Google Play Services and AdMob may collect information used to identify users.
Good
- Supports zipped game files
- Save states include previews
- Speed controls range from x0.25 to x16
- Bluetooth and MOGA controllers are supported
Watch out
- Requires users to provide game files
- Contains ads
- Dropbox support requires John DataSync
Who it suits
John NESS suits Android users who want an emulator with customizable on-screen controls, save states, and speed controls. Users need to supply their own game files.
Verdict
John NESS combines save states, adjustable speed, and customizable controls for Android devices running version 6.0 or later. It is free with ads, and Dropbox support depends on John DataSync.
Plans and prices
From John NESS's own pricing page, checked 8 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| John NESS | Free | Contains ads · In-app purchases to remove ads |
The facts
Each one read from John NESS's own pages, with the date it was checked.
What it does
- Ads
- The app contains ads, and the listing says users can purchase “remove ads” to remove them.checked 8 Oct 2026
- Controllers
- It supports Bluetooth and MOGA controllers.checked 8 Oct 2026
- Controls
- It includes a virtual on-screen keypad, customizable layout and keys, and turbo buttons.checked 8 Oct 2026
- Dropbox
- Dropbox support requires John DataSync.checked 8 Oct 2026
- File support
- It searches SD card and internal storage for game files and supports zipped files.checked 8 Oct 2026
- Game files
- The app does not work without your own game files.checked 8 Oct 2026
- Privacy disclosure
- Google Play states that the developer reports no data collected and no data shared with third parties.checked 8 Oct 2026
- Privacy policy
- The maker's privacy policy says the app may use Google Play Services and AdMob, which may collect information used to identify users.checked 8 Oct 2026
- Purpose
- John NESS is a multi emulator for Android 6.0 and later.checked 8 Oct 2026
- Rendering
- It offers an original engine and high quality rendering.checked 8 Oct 2026
- Save states
- It supports save states with previews.checked 8 Oct 2026
- Speed and screenshots
- It supports screenshots and fast forward or slow down from x0.25 to x16.checked 8 Oct 2026
- Support
- The app listing provides [email protected] as its support email.checked 8 Oct 2026
The company
- Headquarters
- Kobe, Japanchecked 28 Sep 2026
- Maker
- Google Play identifies the developer as MOGORI WORKS CO., LTD. and lists an address in Kobe, Japan.checked 8 Oct 2026
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