1. How to install Twitter 動画保存アプリ:ツイッター用GIF、写真保存 APK/XAPK file?
APK file: Tap on the downloaded APK file, and follow the on-screen prompts to complete the installation.
XAPK file: It's a compressed package containing an APK file and additional data files. You need a XAPK installer to install it. If you're using MEmu Android Emulator on PC, simply install the XAPK file directly into MEmu.
2. Can I use Twitter 動画保存アプリ:ツイッター用GIF、写真保存 on my PC?