Abstract: A remote control system, including: a remote controller including one or more direction keys respectively corresponding to different directions and a confirm key; and a display device controlled by the remote controller; wherein: the remote controller is configured to transmit a direction control signal of a corresponding direction to the display device when one of the direction keys is pressed; and the display device is configured to, when the direction control signal is received by the display device in a first state of displaying sub-level content without displaying a card directory and corresponds to a predetermined direction, switch to a second state of displaying a card directory, the card directory including one selected card and at least one candidate card arranged in order, and at least one switch direction.

Abstract: An electronic device, including: one or more hardware interfaces each for connecting to a signal source to receive at least one type of application resources; a control chip electrically connected to the one or more hardware interfaces, the control chip being configured to classify and integrate one or more types of application resources received through the one or more hardware interfaces, and generate a display signal for a main interface including a number of areas arranged according to a predetermined layout, wherein each area is configured to display information regarding a same type of the classified and integrated application resources, and different areas are configured to display information regarding different types of the classified and integrated application resources; and a display screen electrically connected to the control chip to display the main interface according to the display signal.

Abstract: An electronic device, including: one or more hardware interfaces each for connecting to a signal source to receive at least one type of application resources; a control chip electrically connected to the one or more hardware interfaces, the control chip being configured to classify and integrate one or more types of application resources received through the one or more hardware interfaces, and generate a display signal for a main interface including a number of areas arranged according to a predetermined layout, wherein each area is configured to display information regarding a same type of the classified and integrated application resources, and different areas are configured to display information regarding different types of the classified and integrated application resources; and a display screen electrically connected to the control chip to display the main interface according to the display signal.

Abstract: A remote control system, including: a remote controller including one or more direction keys respectively corresponding to different directions and a confirm key; and a display device controlled by the remote controller; wherein: the remote controller is configured to transmit a direction control signal of a corresponding direction to the display device when one of the direction keys is pressed; and the display device is configured to, when the direction control signal is received by the display device in a first state of displaying sub-level content without displaying a card directory and corresponds to a predetermined direction, switch to a second state of displaying a card directory, the card directory including one selected card and at least one candidate card arranged in order, and at least one switch direction.