Netent is one of the most famous software-house in the world when it comes to online slots. They produced over 500 slots games and have been in the industry for the past ten years. Netent is also one of the most renovated names when it comes to online gambling worldwide.
When you mention Netent, you mention fair games and RTP. The games they produce are 100% casual games and winnings cannot be controlled; all the slots of Netent have a system call RNG (random number generator), which is generating casual numbers at each spin.
This guarantees a casual result each spin, to avoid tricks and frauds when playing. Also, you can play tons of Netent free slot games online, to practise before playing with real money.