Primer paso de la investigacion. Se aportan el .apk, las carpetas con el apk extraido y el apk descompilado. El archivo API_DOCUMENTATION.md es un archivo donde se anotaran los descubrimientos del funcionamiento de la API, y los .py son scripts para probar la funcionalidad de la API con los métodos que vayamos encontrando. Finalmente, los archivos .js son scripts de Frida para extraer informacion de la APP durante la ejecucion.

apk_decompiled/sources/T2/k.java

@@ -0,0 +1,67 @@
+package T2;
+
+import a.AbstractC0106b;
+import java.util.Iterator;
+import java.util.LinkedHashMap;
+
+/* loaded from: classes3.dex */
+public abstract class k extends Q2.l {
+
+    /* renamed from: a, reason: collision with root package name */
+    public final LinkedHashMap f1691a;
+
+    public k(LinkedHashMap linkedHashMap) {
+        this.f1691a = linkedHashMap;
+    }
+
+    @Override // Q2.l
+    public final Object a(Y2.a aVar) {
+        if (aVar.o0() == 9) {
+            aVar.k0();
+            return null;
+        }
+        Object c4 = c();
+        try {
+            aVar.e();
+            while (aVar.b0()) {
+                j jVar = (j) this.f1691a.get(aVar.i0());
+                if (jVar != null && jVar.f1685e) {
+                    e(c4, aVar, jVar);
+                }
+                aVar.u0();
+            }
+            aVar.Y();
+            return d(c4);
+        } catch (IllegalAccessException e4) {
+            AbstractC0106b abstractC0106b = V2.c.f1878a;
+            throw new RuntimeException("Unexpected IllegalAccessException occurred (Gson 2.10.1). Certain ReflectionAccessFilter features require Java >= 9 to work correctly. If you are not using ReflectionAccessFilter, report this to the Gson maintainers.", e4);
+        } catch (IllegalStateException e5) {
+            throw new RuntimeException(e5);
+        }
+    }
+
+    @Override // Q2.l
+    public final void b(Y2.b bVar, Object obj) {
+        if (obj == null) {
+            bVar.b0();
+            return;
+        }
+        bVar.s();
+        try {
+            Iterator it = this.f1691a.values().iterator();
+            while (it.hasNext()) {
+                ((j) it.next()).a(bVar, obj);
+            }
+            bVar.Y();
+        } catch (IllegalAccessException e4) {
+            AbstractC0106b abstractC0106b = V2.c.f1878a;
+            throw new RuntimeException("Unexpected IllegalAccessException occurred (Gson 2.10.1). Certain ReflectionAccessFilter features require Java >= 9 to work correctly. If you are not using ReflectionAccessFilter, report this to the Gson maintainers.", e4);
+        }
+    }
+
+    public abstract Object c();
+
+    public abstract Object d(Object obj);
+
+    public abstract void e(Object obj, Y2.a aVar, j jVar);
+}