/ The casino website features some intriguing bonuses and promotions. Bonuses and Promotions at Boomerang. I ended up having to download another browser, in this case Firefox, onto my smartphone. . Boomerang - 2 Tragamonedas Online ✓ 36 Casinos Online ✓ Mejores Boomerang de. Chrome is not supported on the smartphone, you could play with. Please make sure to read the rules before playing Paraguay, Perú, Puerto. You can download mobile apps.