Complex sentence: It is the third video game based on the "Sonic the Hedgehog" television series, "Sonic Boom", following'and' and will be released for the Nintendo 3DS in 2015.
Split into simpler sentences: It is the third video game based on the "Sonic the Hedgehog" television series, "Sonic Boom", following'and'. It will be released for the Nintendo 3DS in 2015.