According to CoinMeta, the open-source version of "DouBao Mobile Assistant" was launched by independent developer Wang Zan. It allows for background operations on applications such as WeChat and REDnote, helping users organize chat records and send messages. Users can continue to use other applications while using it without having to give up control of their screens. This assistant relies on system-level permissions provided by mobile phone manufacturers; it initiates an auxiliary process with shell permissions through Android's wireless debugging feature to create a virtual screen for running applications like WeChat. mika reads interface elements and performs actions through accessibility services. For first-time use, it is necessary to enable developer options and authorize the accessibility services. The assistant supports login via a ChatGPT account and does not require a computer connection during operation.