What is stated
The game page says JetX runs smoothly on any device, including low-end phones and unstable connections. SmartSoft’s news of 14 September 2026 mentions desktop and mobile environments.
Size
The game page mentions a size of 3.9 MB. That is the developer’s figure, and we did not measure it.
What we did not test
We did not run JetX on a phone. Supported browsers, screen sizes and operating systems are not listed on the pages we read.
Practical notes
Check the connection before a round, since a dropped signal can interrupt a cashout. Confirm the stake and currency on a small screen, where labels are easy to misread.
Sources
Product information is attributed to the linked source. An external demo link is not an interactive test.