Explain how the 8pen keyboard works
The 8pen keyboard is a unique keyboard designed for touchscreen devices that uses a circular interface with eight directional gestures to input text. Here's how it works:

The 8pen keyboard interface consists of a circle divided into eight pie-shaped sections, with each section representing a different direction. To input a letter or character, the user starts by placing their finger on the center of the circle and then moving their finger in a particular direction. Each direction represents a different letter or character, and the user can combine multiple directional gestures to input different words and phrases.

The eight directions on the circle correspond to different groups of letters and characters. For example, the top direction corresponds to the letters A, B, and C, while the bottom direction corresponds to the letters X, Y, and Z. To input a letter, the user starts by moving their finger in the direction of the appropriate section, and then they move their finger back towards the center of the circle to select the specific letter within that group.

In addition to the eight directional gestures, the 8pen keyboard also has a series of auxiliary gestures that allow users to input numbers, punctuation, and other special characters. These auxiliary gestures are accessed by tapping on the center of the circle and then moving the finger in a particular direction to access the desired character set.

The 8pen keyboard also includes a number of features to improve input speed and accuracy. For example, the keyboard uses a predictive text system that suggests words as the user inputs text, which can help speed up the input process. The keyboard also includes a feature called shift burst, which allows the user to quickly switch between uppercase and lowercase letters by performing a specific gesture.

Overall, the 8pen keyboard offers a unique and innovative approach to touchscreen text input, although it may take some time to learn and get used to the eight directional gestures and auxiliary gestures.
What are some alternatives to 8pen?