9. A method comprising: receiving an image of a screen captured from a display of a mobile device; determining areas of actionable content in the image; determining that a density of areas of actionable content in a first portion of the image exceeds a threshold, the first portion including a first area of actionable content, a second area of actionable content, and a third area of actionable content; selecting the first area in response to determining that content represented by the first area has a higher relevancy ranking than content represented by the second area of actionable content; determining a first action for the first area of actionable content; generating annotation data for the image, the annotation data including a first visual cue that corresponds to the first area of actionable content, the first visual cue being actionable to initiate the first action when selected; and providing the annotation data for display on the mobile device.
9. A method comprising: receiving an image of a screen captured from a display of a mobile device; determining areas of actionable content in the image; determining that a density of areas of actionable content in a first portion of the image exceeds a threshold, the first portion including a first area of actionable content, a second area of actionable content, and a third area of actionable content; selecting the first area in response to determining that content represented by the first area has a higher relevancy ranking than content represented by the second area of actionable content; determining a first action for the first area of actionable content; generating annotation data for the image, the annotation data including a first visual cue that corresponds to the first area of actionable content, the first visual cue being actionable to initiate the first action when selected; and providing the annotation data for display on the mobile device. 14. The method of claim 9 , wherein determining the respective action for a particular area of actionable content includes: determining a default action selected by a user of the mobile device for a type of the first area of actionable content.