After the acquisition of 9 1 assistant, the game information is still there. In the second half of 20 13, Baidu acquired the then 9 1 assistant at a high price of1900 million dollars, which became a legendary story in the acquisition history. In February, 2020, the developer of Baidu Mobile Assistant issued an offline notice about 9 1 and Android market channels, announcing the end of the 9 1 era. Official website, the assistant of 9 1 found that his PC version was still being updated. According to the official introduction, 9 1 assistant PC version is a PC-side management software that supports smart phone systems such as iPhone, iPad and Android. It provides downloads of resources such as applications, games, themes, wallpapers and ringtones, and realizes management functions such as files, short messages, contacts, photos and videos. It also provides practical tools such as backup and restore, flashback repair, one-click cleaning and one-click acceleration.