Namco Bandai made official announcement today of the Eureka Seven and Lagrange hybrid disc releases that were revealed in Famitsu yesterday.
Access the official site for "Rinne no Lagrange: Kamogawa Days Game & OVA Hybrid Disc" here. An official site for Eureka Seven AO has yet to be opened.
Lagrange is due out in the summer. The Eureka Seven AO hybrid disc is currently without a final release date.
Namco Bandai has not yet said what types of games we can expect from these two.