How Velonzy works
Velonzy is an authorized Apple developer. Apple provides more extraordinary features for Apple developers. Velonzy allows you to register as a virtual Apple developer under Velonzy's developer account.
Velonzy team has modified all most popular Jailbreak apps under the Velonzy Apple developer account.
Simply, You can install All of these modified Jailbreak apps to your device.
Also, Apple grants to install upcoming iOS version to their developers. It means You can install iOS 11 or any other upcoming iOS versions before 3-5 moths to others.