A free program for Android, by AllDict.
The Welsh-English Dictionary is the perfect tool for anyone learning to speak Welsh and English. It has all the words you need in one place, so you can learn to speak both languages in no time.
The app is very easy to use, so even if you have no idea about how to read or write in Welsh, you can easily learn to do it!
The dictionary has different options, such as searching by word, by pronunciation, or by reading. In addition, it has an extensive word trainer, so you can practice all that is necessary: your writing skills, your listening skills, your pronunciation, and your reading skills.