Android:

点击下方按钮下载安装包
Click the button below to download the installation package;

华为手机下载/安装受阻，请点击查看帮助
If you're having trouble downloading or installing on your Huawei phone, please click here for help;

iPhone:

自动跳转到苹果应用商店，点击"获取"安装
Automatically redirect to APP Store, click to install

HarmonyOS:

HarmonyOS 5.0 以下版本应用商店搜索「易思培训」安装，5.0 以上版本 点击查看安装教程
For HarmonyOS versions below 5.0, search for "Yisi Training" in the App Store to install. For version 5.0 and above, click to view the installation tutorial.