App Store
Version 1.8 · 2025-12-12
- Minor bugs resolved and performance optimized.
Too little checked to say Store information only. We haven’t analysed this app or read its reviews yet.
Not yet tested.
The store currently lists version 1.8, updated 2025-12-12.








Store screenshots supplied by the developer.
Think smart, draw a single line, and solve fun challenges!
Are you ready for a brain workout? This fun and addictive game involves solving puzzles, such as drawing one part, a single line, a toilet rush, saving the emoji, and drawing a bridge. Each level offers a unique challenge.
Features:
- Many brain training levels
- Easy to play, hard to master!
- Simple yet addictive mechanics.
- Multiple puzzle variations to keep you engaged.
- A smooth and clean experience.
Can you solve every challenge? Put your brain to the test!
Play Anywhere, Anytime.
From the developer’s store description.
For developers and the curious
The evidence, sources, measurements and versions behind every label above.
No review analysis published for this app.
“Not assessed” means we could not measure it. It is never a zero and never a pass.
No package has been scanned for this app, so nothing is published about what it ships. That is an absence of evidence, not a finding.
Supporting measurements: not a complete list of possible harms or positives. Measurement vocabulary 1.4 · how these are measured
Not yet tested. No analysis has been run for this app, so there is no version or date to report.
Each store’s release notes, as the developer wrote them. They are the developer’s words, not ours.
- Minor bugs resolved and performance optimized.
single-line-drawWhat the stores publish. Store ratings are the stores’ numbers, not Appworthy’s, and are never averaged across stores.
From the store listing. Billing terms are read from each purchase’s name — the stores don’t publish them — so treat them as a strong hint, not a disclosure.
Not yet tested. No analysis has been published for this app, so there is no method to describe for it yet. A missing label is not a clean bill of health: it means nothing has been read, not that nothing is wrong.
Write to [email protected], or use the form. Name the finding, the app version and the evidence that needs correcting. Factual corrections are free and never depend on buying anything.