UPDATE (March 23, 2011): Still unsure if it means that there would be new songs, but they have announced that on March 30, they would put 3 songs up for download as full ringtones. One of the songs is Player, the rest are unannounced.
icitomohiko 今日の『攻殻機動隊 S.A.C. SSS 3D』の宣伝会議では、サウンドトラックにおいても思わず「おお！」と声を上げてしまうような展開が動き出しました。詳細は近日発表予定〜 #PH9
And it means…
In the “Ghost in the Shell S.A.C. SSS 3D” publicity conference today, every time there was a talk of the soundtrack, people would suddenly go “ooooh!”. There are plans to release the details in a few days~