diff --git a/example/src/main/java/eu/webeid/example/web/rest/ChallengeController.java b/example/src/main/java/eu/webeid/example/web/rest/ChallengeController.java
index df54366a..85dc2122 100644
--- a/example/src/main/java/eu/webeid/example/web/rest/ChallengeController.java
+++ b/example/src/main/java/eu/webeid/example/web/rest/ChallengeController.java
@@ -40,7 +40,16 @@ public ChallengeController(ChallengeNonceGenerator challengeNonceGenerator) {
 
     @GetMapping("challenge")
     public ChallengeDTO challenge() {
-        final ChallengeDTO challenge = new ChallengeDTO();
+        return generateChallenge();
+    }
+
+    @GetMapping("mobile/challenge")
+    public ChallengeDTO mobileChallenge() {
+        return generateChallenge();
+    }
+
+    private ChallengeDTO generateChallenge() {
+        ChallengeDTO challenge = new ChallengeDTO();
         challenge.setNonce(challengeNonceGenerator.generateAndStoreNonce().getBase64EncodedNonce());
         return challenge;
     }
diff --git a/example/src/main/resources/templates/index.html b/example/src/main/resources/templates/index.html
index 051ab855..edd8a21c 100644
--- a/example/src/main/resources/templates/index.html
+++ b/example/src/main/resources/templates/index.html
@@ -265,7 +265,11 @@ <h3><a id="for-developers"></a>For developers</h3>
         authButton.disabled = true;
 
         try {
-            const challengeResponse = await fetch("/auth/challenge", {
+            const challengeUrl = isMobileDevice()
+                ? "/auth/mobile/challenge"
+                : "/auth/challenge";
+
+            const challengeResponse = await fetch(challengeUrl, {
                 method: "GET",
                 headers: {
                     "Content-Type": "application/json"
@@ -274,6 +278,22 @@ <h3><a id="for-developers"></a>For developers</h3>
             await checkHttpError(challengeResponse);
             const {nonce} = await challengeResponse.json();
 
+            if (isMobileDevice()) {
+                const loginUri = encodeURIComponent(window.location.origin + "/");
+                const payload = {
+                    challenge: nonce,
+                    login_uri: loginUri
+                };
+                const encoded = btoa(JSON.stringify(payload));
+
+                // TODO: Replace with actual URL once DigiDoc app supports app links
+                const eidAppUri = `TODO-MOBILE-EID-APP-LAUNCH-URL#${encoded}`;
+
+                alert("Opening eID app for authentication...\n\nIf nothing happens, the app may not yet support mobile login.");
+                window.location.href = eidAppUri;
+                return;
+            }
+
             const authToken = await webeid.authenticate(nonce, {lang});
 
             const authTokenResponse = await fetch("/auth/login", {
@@ -299,6 +319,10 @@ <h3><a id="for-developers"></a>For developers</h3>
         }
     });
 
+    function isMobileDevice() {
+        return /Android|iPhone|iPad|iPod/i.test(navigator.userAgent);
+    }
+
     document.addEventListener('DOMContentLoaded', function () {
         setTimeout(function () {
             document.querySelector(".eu-logo-fixed").style.display = 'none'
diff --git a/example/src/test/java/eu/webeid/example/WebApplicationTest.java b/example/src/test/java/eu/webeid/example/WebApplicationTest.java
index f7f5a3de..38cfbf1d 100644
--- a/example/src/test/java/eu/webeid/example/WebApplicationTest.java
+++ b/example/src/test/java/eu/webeid/example/WebApplicationTest.java
@@ -22,6 +22,9 @@
 
 package eu.webeid.example;
 
+import eu.webeid.example.service.SigningService;
+import eu.webeid.example.service.dto.FileDTO;
+import eu.webeid.example.service.dto.SignatureDTO;
 import eu.webeid.example.testutil.Dates;
 import eu.webeid.example.testutil.HttpHelper;
 import eu.webeid.example.testutil.ObjectMother;
@@ -99,6 +102,14 @@ public void validateOcspResponse(XadesSignature xadesSignature) {
             }
         };
 
+        new MockUp<SigningService>() {
+            @Mock
+            public FileDTO signContainer(SignatureDTO signatureDTO) {
+                // Return a dummy FileDTO in tests
+                return new FileDTO("example-for-signing.asice");
+            }
+        };
+
         MockHttpSession session = new MockHttpSession();
         session.setAttribute("challenge-nonce", new ChallengeNonce(ObjectMother.VALID_CHALLENGE_NONCE, DateAndTime.utcNow().plusMinutes(1)));
 
@@ -132,4 +143,37 @@ public static MockMultipartFile mockMultipartFile() {
         assertEquals(HttpStatus.OK.value(), response.getStatus());
         assertEquals("attachment; filename=example-for-signing.asice", response.getHeader("Content-Disposition"));
     }
+
+    @Test
+    public void testHappyFlow_NfcLoginAuthToken() throws Exception {
+        new MockUp<SubjectCertificateNotRevokedValidator>() {
+            @Mock
+            public void validateCertificateNotRevoked(X509Certificate subjectCertificate) {
+                // Do not call real OCSP service in tests.
+            }
+        };
+
+        new MockUp<AsicSignatureFinalizer>() {
+            @Mock
+            public void validateOcspResponse(XadesSignature xadesSignature) {
+                // Do not call real OCSP service in tests.
+            }
+        };
+
+        new MockUp<SigningService>() {
+            @Mock
+            public FileDTO signContainer(SignatureDTO signatureDTO) {
+                // Return a dummy FileDTO in tests
+                return new FileDTO("example-for-signing.asice");
+            }
+        };
+
+        MockHttpSession session = new MockHttpSession();
+        session.setAttribute("challenge-nonce", new ChallengeNonce(ObjectMother.VALID_CHALLENGE_NONCE, DateAndTime.utcNow().plusMinutes(1)));
+
+        MvcResult result = HttpHelper.login(mvcBuilder, session, ObjectMother.mockNfcAuthToken());
+        MockHttpServletResponse response = result.getResponse();
+        assertEquals("{\"sub\":\"JAAK-KRISTJAN JÕEORG\",\"auth\":\"[ROLE_USER]\"}", response.getContentAsString());
+    }
+
 }
diff --git a/example/src/test/java/eu/webeid/example/security/WebEidAjaxLoginProcessingFilterTest.java b/example/src/test/java/eu/webeid/example/security/WebEidAjaxLoginProcessingFilterTest.java
index 828399b1..e0c08dcf 100644
--- a/example/src/test/java/eu/webeid/example/security/WebEidAjaxLoginProcessingFilterTest.java
+++ b/example/src/test/java/eu/webeid/example/security/WebEidAjaxLoginProcessingFilterTest.java
@@ -22,6 +22,7 @@
 
 package eu.webeid.example.security;
 
+import eu.webeid.example.testutil.ObjectMother;
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;
 import org.junit.jupiter.api.Test;
@@ -30,6 +31,7 @@
 
 import java.io.BufferedReader;
 import java.io.StringReader;
+import java.util.Map;
 
 import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
 import static org.mockito.Mockito.mock;
@@ -58,4 +60,23 @@ void testAttemptAuthentication() throws Exception {
                 new WebEidAjaxLoginProcessingFilter("/auth/login", authenticationManager)
                         .attemptAuthentication(request, response));
     }
-}
\ No newline at end of file
+
+    @Test
+    void testAttemptAuthentication_NfcToken() throws Exception {
+        final HttpServletRequest request = mock(HttpServletRequest.class);
+        final HttpServletResponse response = mock(HttpServletResponse.class);
+        when(request.getMethod()).thenReturn(HttpMethod.POST.name());
+        when(request.getHeader("Content-type")).thenReturn("application/json");
+
+        var jsonBody = ObjectMother.toJson(Map.of("auth-token", ObjectMother.mockNfcAuthToken().getToken()));
+
+        when(request.getReader()).thenReturn(new BufferedReader(new StringReader(jsonBody)));
+
+        final AuthenticationManager authenticationManager = mock(AuthenticationManager.class);
+
+        assertDoesNotThrow(() ->
+            new WebEidAjaxLoginProcessingFilter("/auth/login", authenticationManager)
+                .attemptAuthentication(request, response)
+        );
+    }
+}
diff --git a/example/src/test/java/eu/webeid/example/testutil/ObjectMother.java b/example/src/test/java/eu/webeid/example/testutil/ObjectMother.java
index 288b1368..e92e70f0 100644
--- a/example/src/test/java/eu/webeid/example/testutil/ObjectMother.java
+++ b/example/src/test/java/eu/webeid/example/testutil/ObjectMother.java
@@ -48,6 +48,7 @@ public class ObjectMother {
     private static final String TEST_PKI_CONTAINER = "src/test/resources/signout.p12";
     private static final String TEST_PKI_CONTAINER_PASSWORD = "test";
     private static final WebEidAuthToken VALID_AUTH_TOKEN;
+    private static final WebEidAuthToken VALID_NFC_AUTH_TOKEN;
 
     static {
         try {
@@ -63,6 +64,22 @@ public class ObjectMother {
         }
     }
 
+    static {
+        try {
+            VALID_NFC_AUTH_TOKEN = MAPPER.readValue(
+                "{\"algorithm\":\"ES384\"," +
+                    "\"unverifiedCertificate\":\"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\"," +
+                    "\"unverifiedSigningCertificate\":\"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\"," +
+                    "\"supportedSignatureAlgorithms\":[{\"cryptoAlgorithm\":\"RSA\",\"hashFunction\":\"SHA-256\",\"paddingScheme\":\"PKCS1.5\"}]," +
+                    "\"issuerApp\":\"https://web-eid.eu/web-eid-mobile-app/releases/v1.0.0\"," +
+                    "\"signature\":\"0Ov7ME6pTY1K2GXMj8Wxov/o2fGIMEds8OMY5dKdkB0nrqQX7fG1E5mnsbvyHpMDecMUH6Yg+p1HXdgB/lLqOcFZjt/OVXPjAAApC5d1YgRYATDcxsR1zqQwiNcHdmWn\"," +
+                    "\"format\":\"web-eid:1.1\"}",
+                WebEidAuthToken.class);
+        } catch (JsonProcessingException e) {
+            throw new RuntimeException("NFC token parsing failed");
+        }
+    }
+
     public static final String VALID_CHALLENGE_NONCE = "12345678123456781234567812345678912356789123";
 
     public static AuthTokenDTO mockAuthToken() {
@@ -71,6 +88,12 @@ public static AuthTokenDTO mockAuthToken() {
         return authToken;
     }
 
+    public static AuthTokenDTO mockNfcAuthToken() {
+        AuthTokenDTO authToken = new AuthTokenDTO();
+        authToken.setToken(VALID_NFC_AUTH_TOKEN);
+        return authToken;
+    }
+
     public static String toJson(Object object) throws JsonProcessingException {
         return MAPPER.writeValueAsString(object);
     }