What is the Tusky for Mastodon application, how does it work?

According to the introduction of Keyless Palace, Tusky for Mastodon is a Social app on the Android platform. There is currently a 10.0 version released on Feb 25, 2020, you can see the details below.

Tusky is a lightweight client for Mastodon (https://joinmastodon.org/), a free and open-source social network server. It supports all Mastodon features, like photos, videos, lists, custom emojis and is designed according to material guidelines.
You can choose between a dark and a light theme in Tusky. It has notifications and a drafts feature.
Tusky is free and open source software licensed under the GPL-3.0. The source code is available at https://github.com/tuskyapp/Tusky

This release fixes bugs and improves translations.