EXHIBIT A: Joint Filing Agreement

CUSIP NO. 00000X000 SCHEDULE 13G Page 1 0 of 11

EXHIBIT A: Joint Filing Agreement

In accordance with Rule 13d-1(k) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree to the joint filing with all other Reporting Persons (as such term is defined in the Schedule 13G referred to below) on behalf of each of them of a statement on Schedule 13G (including amendments thereto) with respect to the common shares, par value $0.00005 per share, of Sky-mobi Limited, a Cayman Islands company, and that this Agreement may be included as an Exhibit to such joint filing. This Agreement may be executed in any number of counterparts, all of which taken together shall constitute one and the same instrument.

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CUSIP NO. 00000X000 SCHEDULE 13G Page 11 of 11

Signature Page

IN WITNESS WHEREOF, the undersigned hereby execute this Agreement as of February 7, 2013.

Xplane Ltd.				By:		/s/ Xxxxxxx Xxx Xxxx
						Xxxxxxx Xxx Xxxx
				Title:		Director
Xxxxxxx Xxx Song				By:		/s/ Xxxxxxx Xxx Xxxx
				Name:		Xxxxxxx Xxx Xxxx
Xxxxx Xxx				By:		/s/ Xxxxx Xxx
				Name:		Xxxxx Xxx
Xx Ou				By:		/s/ Xx Xx
				Name:		Xx Xx