Further proof, if any was needed, that Nintendo gets handhelds, and that instead of treating them as second class citizens, doomed to get outsourced spin offs of main franchises like some other company I could name, Nintendo views its handheld business to be as important as its console business.
Nintendo will be unifying its previously separated handheld and console development structure under this unified development headquarters. This is Nintendo's first large-scale dev. structural change in 9 years. The unification is being done to promote sharing of know-how, basic skills, and to optimize development. Nintendo also aims to increase linkage between handheld and home consoles, along with raising their (as in their consoles and handhelds') affinity with the internet. Nintendo hopes this structural change will lead to the development of revolutionary new hardware.
In addition to consolidated game development, and console/handheld linking that the report suggests directly, we could also be looking at 3DS exclusive features being compatible with the Wii U (like the pedometer and StreetPass), and Wii U exclusive features being extended to the 3DS (like Miiverse), leading to a more unified and seamless, integrated experience.