UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

Date of report (Date of earliest event reported) November 17, 2014

Mandalay Digital Group, Inc.

(Exact Name of Registrant as Specified in Its Charter)

(323) 472-5461

(Registrant’s Telephone Number, Including Area Code)

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

On November 17, 2014, Mandalay Digital Group, Inc. (the “Company” or “Mandalay Digital”) prepared an investor presentation with respect to the proposed merger transaction with Appia, Inc (“Appia”). A copy of the investor presentation is furnished as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference.

The information reported in this Item 7.01 shall not be deemed “filed” for any purpose, including for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that Section. The information in this Item 7.01, including Exhibit 99.1, attached hereto, shall not be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act regardless of any general incorporation language in such filing.

Forward-Looking Statements

This communication includes “forward-looking statements” within the meaning of the U.S. federal securities laws. Statements in this news release that are not statements of historical fact and that concern future results from operations, financial position, economic conditions, product releases, revenue and product synergies, cost savings, product or competitive enhancements and any other statement that may be construed as a prediction of future performance or events, including that Appia’s technology will enhance Mandalay Digital’s existing products or foster new technology innovation, perceived benefits from the business combination to the surviving company, or that the acquisition will result in increased revenue, cost savings and better competitive position, or that Mandalay Digital will successfully integrate Appia’s technology, are forward-looking statements that speak only as of the date made and which involve known and unknown risks, uncertainties and other factors which may, should one or more of these risks uncertainties or other factors materialize, cause actual results to differ materially from those expressed or implied by such statements. These factors include the occurrence of any event, change or other circumstances that could give rise to the termination of the merger agreement; the inability to complete the merger within the expected time period or at all, including due to the failure to obtain stockholder approval, or the failure to satisfy other conditions to completion of the merger; risks related to disruption of management’s attention from the ongoing business operations due to the proposed merger; the effect of the announcement of the proposed merger on the Mandalay’s or Appia’s relationships with their respective customers, lenders, operating results and businesses generally; material adverse changes in Mandalay Digital’s or Appia’s operations or financial results prior to closing; the ability to expand the combined company’s global reach, accelerate growth and create a scalable, low-capex business model that drives EBITDA; failure to realize anticipated operational efficiencies, revenue (including projected revenue) and cost synergies and resulting revenue growth, EBITDA and free cash flow conversion if the merger is consummated; the ability to achieve internal strategic forecasts; inability to refinance the assumed Appia debt subsequent to the closing or to refinance the debt on favorable terms; unforeseen challenges related to relationships with operators, publishers and advertisers and expanding and maintaining those relationships; the ability to execute upon, and realize any benefits from, potential value creation opportunities through strategic relationships in

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the future or at all, including the ability to leverage advertising opportunities effectively and increase revenue streams for carriers; unforeseen difficulties preventing rapid integration of Appia’s app-install infrastructure into Digital Turbine’s existing platform; the inherent and deal specific challenges in converting discussions with carriers into actual contractual relationships; the Company’s ability as a smaller company to manage international, and as a result of the proposed merger, larger operations, varying and often unpredictable levels of orders, the challenges inherent in technology development necessary to maintain the Company’s competitive advantage; the potential for unforeseen or underestimated cash requirements necessary to enable the transaction synergies to be realized, and other risks including those described from time to time in Mandalay Digital’s filings on Forms 10-K and 10-Q with the SEC, press releases and other communications. You should not place undue reliance on these forward-looking statements. The Company does not undertake to update forward-looking statements, whether as a result of new information, future events or otherwise, except as required by law.

Additional Information and Where to Find It

In connection with the proposed transaction, Mandalay Digital intends to file with the SEC a registration statement on Form S-4 that will include a proxy statement and a prospectus. The definitive proxy statement/prospectus will contain important information about the proposed transaction and related matters. INVESTORS AND SECURITY HOLDERS ARE ADVISED TO READ THE PROXY STATEMENT/PROSPECTUS WHEN IT BECOMES AVAILABLE, BECAUSE IT WILL CONTAIN IMPORTANT INFORMATION. Investors and security holders may obtain a free copy of the registration statement (when available) and other documents filed by Mandalay Digital with the SEC at the SEC’s web site at www.sec.gov. These documents may be accessed and downloaded for free at Mandalay Digital’s website at www.mandalaydigital.com, or requested from Mandalay Digital by mail at 2811 Cahuenga Boulevard West, Los Angeles, CA 90068, or by directing a request to MacKenzie Partners, Inc., 105, Madison Avenue, New York, New York, 10016; (212) 929-5500; proxy@mackenziepartners.com.

Participants in the Solicitation

This communication is not a solicitation of a proxy from any security holder of Mandalay Digital. However, Mandalay Digital and its directors and executive officers and certain members of management and employees may be deemed to be participants in the solicitation of proxies from Mandalay Digital’s stockholders in respect of the proposed transaction. Information regarding the directors and executive officers of Mandalay Digital may be found in its Form 10-K/A for the fiscal period ended March 31, 2014, which was filed with the SEC on July 29, 2014. Other information regarding the interests of those persons and other persons in the proxy solicitation and a description of their direct and indirect interest, by security holdings or otherwise, will be contained in the proxy statement/prospectus and other relevant materials to be filed with the SEC when they become available. You may obtain free copies of this document as described in the preceding paragraph.

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(d) Exhibits.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

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EXHIBIT INDEX

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