You are now ready to download Chess Studio MOD APK (All Books Unlocked) for free. Here are some notes:

• To prevent users from installing apk files from outside, Google Play has now added a warning when installing apks & mods.
• PlayProtect will tell you the file is harmful. Simply, just click “Install anyway (unsafe)”.

How to install .apks, xapk, etc?

1. Download and install latest SAI app (Split APK Installer)
2. Install and Open SAI / Choose "Install APKs" button / Find and Select downloaded .apks archive app;
3. Wait for install and done. Enjoy!