vasl is a *java* program, not javascript. They are two completely different languages. Almost every web browser runs javascript, but that does not help you run java. Android native apps are written in java, but apparently it is a different java virtual machine: https://android.stackexchange.com/questions/63710/can-you-run-normal-java-programs-on-android, https://stackoverflow.com/questions/19286451/how-to-run-java-app-in-android. There seem to be vm emulators that will allow .jar files compiled for one vm to run on the other, but looking at those posts there seem to be questions about the trustworthiness of at least some of them. It looks like more than a casual project to figure out if it can be done and how.
