A free program for Android, by TTMA Apps.
This app is a perfect tool for translating between Vietnamese and Khmer. You can use this app as a dictionary, as it contains the definitions of all the words and phrases. This app is easy to use and will help you learn the vocabulary and grammar of the Khmer language. The best part is that it is free and does not require you to pay for an account.
To use the app, first select the source and destination languages. Then input the word or phrase that you want to translate. If you are translating from Khmer to Vietnamese, you will have to select the source language and input the word in the box that you see on the right-hand side. You will see the translation in the box, and you can click on it to see the definition.