LG Doubleplay是LG携手T-Mobile共同推出的侧滑全键盘智能触屏手机。LG Doubleplay的特点在于配备了侧滑的全键盘和侧滑键盘中间的副屏幕。此前也有不少手机配备了侧滑全键盘,这样的设计令手机的输入性能大大提升,键盘的操作区域相对较大,而且横向的设计更利于全键盘的使用。而LG Doubleplay与众不同的是在全键 LG Doubleplay is jointly launched by LG T-Mobile sliding full keyboard smart touch screen mobile phone. The LG Doubleplay features a sub screen with a sliding full keyboard and a sliding keyboard. Earlier there are also many mobile phone equipped with a sliding full keyboard, this design greatly enhance the input performance of the phone, the keyboard operating area is relatively large, and horizontal design is more conducive to the use of full keyboard. LG Doubleplay is different in the whole key