If your product requires a locked user environment Learnosity can recommend some approaches. Our product works within these Operating System and Application contexts rather than directly having its own Secure Browser.
Learnosity supports its use within both
While many of our clients as about such functionality it's only an ideal solution for controlled hardware (Test Centres etc). As Learnosity is built on the modern web many of our clients take that opportunity to ensure they reach users on as many platforms as possible. This tends to mean visibility of use is better than controlling use. To that end, we also offer 'active/focus' status within our Assessments via our Events API (https://docs.learnosity.com/analytics/events) & Live Reporting (https://demos.learnosity.com/analytics/reports/live_progress.php).