Complex sentence: On April 25,2011, Nintendo released an official statement announcing a system to succeed the Wii to be released during 2012, and that playable console units would be present at E3 2011.
Split into simpler sentences: On April 25,2011, Nintendo released an official statement announcing a system to succeed the Wii. They simultaneously announced that it would be released during 2012, and that playable console units would be present at E3 2011.