Lenovo quietly developed Android 5 inch tablet

According to Engadget likely that Lenovo is developing a 5 inch tablet, along with a range of specifications and pictures of the device from the leak source for posting.

The new device will feature 5-inch wide screen, run the Android operating system equipped with the dual-core processors. Also, the photos seem to show that this device comes with micro-USB connector, the front camera and HDMI output.
In addition to producing a 5 inch tablet, the new information that Lenovo is focused on developing a ThinkPad tablet towards business users with some business-oriented features, such as display equipment 10.1 inch wide market.
Lenovo joined The 5 inch tablet market seems to be a surprise to consumers, especially when previous Dell had quietly stopped issuing Streak 5, tablet running Android with 5 inch screen, to focus on the larger screen size. The problem of small screen devices that can not attract users to a tablet which has a much larger screen, like the 9.7 inch is found in the iPad.
Is the 5 inch tablet of Lenovo will be successful or will fail like the previous 5 Streak? It would be very difficult to draw conclusions from now when the current trend in popular tablet range 7 to 10.1 inch screen, while the smartphone has a larger trend, such as Galaxy Nexus 4.65 inch size. It would be very difficult for Lenovo or any company that wants to produce 5-inch tablet to attract customers.
The Lenovo has not made any comments regarding the above information.

A few pictures of the Lenovo tablet 5 inch leak