Asus revealed the its next generation PadFone at Mobile World Congress, the PadFone Infinity that connects to a 10.1" 
Infinity Station/tablet with extra battery life.
Asus claims that keeping all you apps and data on the phone, there's no need to sync data to a tablet.
The PadFone Infinity features a 5" 1080p 441 pixels-per-inch touchscreen, 1.7 Quad-core processor, 13MP camera, 2GB of RAM, NFC, LTE, 64GB of storage, 2400mAh battery (19 hours of talk time) and Android 4.2.
The camera has a dedicated image signal-processor that enhances low-light photo quality. It can record 1080p video which can be displayed on to any micro-USB-compatible MyDP device.
The tablet "Infinity Station" is 10.1" 1920x1200 pixel tablet can add up to 40 hours of battery life or completely recharge the PadFone over three times. Asus also gives users SuperNote 3.1, Story and Asus Echo apps.
The PadForne Infinity with station will sell for SRP £799 (inc VAT).