diff --git a/android/src/main/java/com/komoju/android/sdk/KomojuAndroidSDK.kt b/android/src/main/java/com/komoju/android/sdk/KomojuAndroidSDK.kt
index f8a370f..c8a333e 100644
--- a/android/src/main/java/com/komoju/android/sdk/KomojuAndroidSDK.kt
+++ b/android/src/main/java/com/komoju/android/sdk/KomojuAndroidSDK.kt
@@ -9,19 +9,36 @@ import com.komoju.android.sdk.types.Language
 import com.komoju.mobile.sdk.KomojuMobileSDKConfiguration
 import com.komoju.mobile.sdk.KomojuMobileSDKPaymentResult
 import com.komoju.mobile.sdk.canProcessPayment
-import com.komoju.mobile.sdk.ui.theme.ConfigurableTheme as CoreConfigurableTheme
 import com.komoju.mobile.sdk.ui.theme.DefaultConfigurableTheme
 import com.komoju.mobile.sdk.ui.theme.toColor
+import kotlinx.parcelize.Parcelize
 import kotlin.contracts.ExperimentalContracts
 import kotlin.contracts.contract
-import kotlinx.parcelize.Parcelize
+import com.komoju.mobile.sdk.ui.theme.ConfigurableTheme as CoreConfigurableTheme
 
+/**
+ * Singleton object providing the main SDK functionalities for Komoju Android integration.
+ */
 object KomojuAndroidSDK {
+
+    /**
+     * An [ActivityResultContract] for starting a payment flow and returning a result asynchronously.
+     */
     val activityResultContract: ActivityResultContract<Configuration, PaymentResult>
         get() = KomojuStartPaymentForResultContract()
 
     /**
      * Configuration class to hold parameters required for payment processing.
+     *
+     * @param language The language setting for the payment UI.
+     * @param currency The currency to be used for the transaction.
+     * @param publishableKey The public API key for the Komoju integration.
+     * @param isDebugMode A flag to indicate whether the SDK is in debug mode.
+     * @param sessionId A unique session ID for the payment transaction.
+     * @param redirectURL The URL to redirect the user to after payment completion.
+     * @param appScheme The app scheme for deep linking.
+     * @param configurableTheme The custom theme for the UI elements of the payment flow.
+     * @param inlinedProcessing A flag to indicate if inlined processing is enabled.
      */
     @Parcelize
     data class Configuration(
@@ -72,12 +89,13 @@ object KomojuAndroidSDK {
              * WARNING: Experimental API [Try this only if you are sure] Disabled by Default.
              *
              * This API enables or disables inlined processing.
-             * If this is enabled then The SDK will try to do processing with minimum amount of screens.
+             * If this is enabled, the SDK will attempt to process payments with fewer UI screens.
              *
-             * For e.g.
-             * * If PayPay Payment id captured, it will close the SDK ASAP it verifies the payment.
-             * * When you will try to pay with Credit Card and Second step verification is not required, SDK will never show the WebView and will handle the callback itself.
+             * Example:
+             * - For PayPay, the SDK will close as soon as the payment is verified.
+             * - For Credit Card payments, if second-step verification isn't required, the SDK will skip the WebView and handle the callback directly.
              *
+             * @param inlinedProcessing Boolean flag to enable inlined processing.
              */
             @ExperimentalKomojuPaymentApi
             fun setInlinedProcessing(inlinedProcessing: Boolean) = apply {
@@ -86,6 +104,8 @@ object KomojuAndroidSDK {
 
             /**
              * Builds the [Configuration] instance with the provided settings.
+             *
+             * @return The configured [Configuration] object.
              */
             fun build(): Configuration = Configuration(
                 language = language,
@@ -101,6 +121,14 @@ object KomojuAndroidSDK {
         }
     }
 
+    /**
+     * Class to define configurable theme options for the payment UI.
+     *
+     * @param primaryColorInt The primary color of the UI as an integer.
+     * @param primaryContentColorInt The color for primary content in the UI.
+     * @param loaderColorInt The color of the loading indicator.
+     * @param primaryShapeCornerRadiusInDp The corner radius (in dp) for primary UI elements.
+     */
     @Parcelize
     data class ConfigurableTheme(
         val primaryColorInt: Int,
@@ -109,10 +137,16 @@ object KomojuAndroidSDK {
         val primaryShapeCornerRadiusInDp: Int,
     ) : Parcelable {
         companion object {
+            // Default theme used by the SDK.
             val default: ConfigurableTheme = com.komoju.mobile.sdk.ui.theme.ConfigurableTheme.default.toAndroidSDKConfigurableTheme()
         }
     }
 
+    /**
+     * A result of the payment, indicating whether the payment was successful or not.
+     *
+     * @param isSuccessFul Boolean flag indicating the payment result.
+     */
     @Parcelize
     data class PaymentResult(val isSuccessFul: Boolean) : Parcelable
 }
@@ -133,7 +167,9 @@ internal fun CoreConfigurableTheme.toAndroidSDKConfigurableTheme(): KomojuAndroi
 
 /**
  * Extension function to check if the current configuration is valid for processing a payment.
- * @return True if the configuration is non-null and contains both publishableKey and sessionId.
+ * A configuration is valid if it is non-null and contains both a valid publishable key and session ID.
+ *
+ * @return True if the configuration is valid for payment processing, false otherwise.
  */
 @OptIn(ExperimentalContracts::class)
 fun KomojuAndroidSDK.Configuration?.canProcessPayment(): Boolean {