Abstract

In this paper, we describe techniques and considerations for using emoji effectively in educational programming tools. Introducing emoji gives users access to more than 3,000 different image assets for game and other application development. Since the font files installed in the user’s computer vary by its operating software and device vendor, it is preferable that programming tools bundle common emoji font files for users. Emojis have a variety of gender and skin color patterns, which reduces the artist’s effort to bring diversity to the illustrations of the people. Some emojis contain violent or vulgar expressions. Tool providers can filter some emojis to prevent children from accessing inappropriate emojis in schools, or they can adjust visuals to mitigate aggressiveness. Advanced visuals and applications can be obtained by extracting contour and geometry information or adding shadows. In order to help users quickly find the emoji they are looking for from many emojis, a utility system should be implemented that classifies emojis by category, searches for emojis by word, and suggests random emojis.

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