I prefer to always use Cocoon.io
Export you Project to Cordova -> Zip Files -> Drag and Drop in Cocoon.io dashboard. Use Canvas+ for high performance.
https://forums.cocoon.io/t/construct2-h ... ocoonio/45
For Cordova (Crosswalk), i use Intel XDK:
https://www.scirra.com/tutorials/809/ho ... -crosswalk
Ejecta: I never use it, but if you take a look at the forum will surely find some tutorial.
Also what plugin did you use to export to mobile devices? Cocoonjs, Cordova, Ejecta?
Please, let me know.