Google Handwriting Input is a nice application which enables you to input text by handwriting it on your Android mobile device. You can also go for the old method of typing using the keyboard if you think it's faster that way. Straight way, you'll be happy to hear that it comes with support for 100 languages, and you can write with or without a stylus.
Another interesting aspect of this application is the fact that you can enter emojis by drawing them inside the text box. As you're writing, the app enters the text inside the box and you should check if everything is detected correctly.
First of all, as soon as you've downloaded the Google Handwriting Input APK, you need to access the Settings panel of your Android mobile device. While you are there, look after the Security section and activate the Unknown Sources feature by checking the box located next to it.
After you complete this simple step, you are allowed to install any application or mobile game compatible with your smartphone/tablet without going through additional steps.
You can always revert this security feature to its default value. Keep in mind, if your gadget uses a different language, the name of this setting will change accordingly.