Note: They were originally created by @rrgrrg and I have ported the apps on star pro.
You must have lucky patcher installed.
If you dont have, download it from attachments and follow the steps:
You must have ROOT.
1. Download and install it.
2. Give it root permission.
3. Open it and go to toolbox>patch to android and check disable signature verification in pakage manager. This will disable signature check. Reboot your device.
4. If you have xposed installed then dont follow the above step and just enable its module from xposed installer