Looks like it's based on this paper [1]. It's a recurrent neural network trained on online handwriting data. It means you record how the position of the tip of

Looks like it's based on this paper [1]. It's a recurrent neural network trained on online handwriting data. It means you record how the position of the tip of the pen changes as you write. The training data comes from the IAM On-Line Handwriting Database which has only handwritten English text. If you want to support a complete Latin script, you would have to generate a lot of training data yourself, preferably in multiple languages. Quite the effort indeed. 1 - https://arxiv.org/pdf/1308.0850.pdf https://arxiv.org/pdf/1308.0850.pdf