A licence from any of them indicates that the operator has been authorised. It does not by itself guarantee that the software is original, that the RTP has not been altered, or that you will have a workable complaint route. Verify the software by checking that the game loads from the provider's own certified environment and that the provider itself is licensed. For Balloon, that means Smartsoft Limited under MGA/B2B/925/2021, registered at Level 3 (Suite 2746), Tower Business Centre, Tower Street, Swatar, Birkirkara, Malta.
Fairness of the gameplay in the modern industry is normally evidenced either by certificates from independent testing laboratories (iTech Labs, eCOGRA, GLI) or, in the crypto segment, by Provably Fair verification systems. It should be stated plainly: Provably Fair is an industry-implemented cryptographic practice rather than a standard validated by peer-reviewed research. It allows a player to verify that a specific round's seed was not altered after the bet, but it does not audit the long-run RTP. Certification by an accredited laboratory remains the stronger evidence, and the two are complementary rather than interchangeable.
Before starting, find the licence validator in the footer of the operator's site and confirm that the status is current. It takes a minute.