It brings together approximately 7500 verbs.
A visual indicator lets you know if it is or not registered in the dictionary of the French Academy.
A summary of the conjugations, and the instructions are available here:
This application is compatible with all android versions and requires no authorization
/!\ Careful: Problems rotation and automatic adjustment of the image size with the Samsung Galaxy Note and Sxx.
Different forum indicate that this bug is known and pending resolution Samsung