diff --git a/app/BUILD.bazel b/app/BUILD.bazel
index 3959344ac4b..a664895c6fe 100644
--- a/app/BUILD.bazel
+++ b/app/BUILD.bazel
@@ -53,8 +53,8 @@ VIEW_MODEL_FILES = [
     "src/main/java/org/oppia/app/options/OptionsAudioLanguageViewModel.kt",
     "src/main/java/org/oppia/app/options/OptionsItemViewModel.kt",
     "src/main/java/org/oppia/app/options/OptionsStoryTextViewViewModel.kt",
-    "src/main/java/org/oppia/app/parser/StringToFractionParser.kt",
-    "src/main/java/org/oppia/app/parser/StringToNumberParser.kt",
+    "update_src/main/java/org/oppia/app/parser/StringToFractionParser",
+    "update_src/main/java/org/oppia/app/parser/StringToNumberParser",
     "src/main/java/org/oppia/app/player/audio/AudioViewModel.kt",
     "src/main/java/org/oppia/app/player/exploration/ExplorationViewModel.kt",
     "src/main/java/org/oppia/app/player/state/itemviewmodel/ContentViewModel.kt",
@@ -142,6 +142,8 @@ ALTERED_VIEW_MODELS = [
     "src/main/java/org/oppia/app/onboarding/OnboardingViewModel.kt",
     "src/main/java/org/oppia/app/help/faq/FAQListViewModel.kt",
     "src/main/java/org/oppia/app/administratorcontrols/administratorcontrolsitemviewmodel/AdministratorControlsAccountActionsViewModel.kt",
+    "src/main/java/org/oppia/app/parser/StringToNumberParser.kt",
+    "src/main/java/org/oppia/app/parser/StringToFractionParser.kt",
 ]
 
 genrule(
@@ -234,6 +236,26 @@ genrule(
     ''',
 )
 
+genrule(
+    name = "update_src/main/java/org/oppia/app/parser/StringToNumberParser",
+    srcs = ["src/main/java/org/oppia/app/parser/StringToNumberParser.kt"],
+    outs = ["src/main/java/org/oppia/app/parser/StringToNumberParser_updated.kt"],
+    cmd = '''
+    cat $(SRCS) |
+    sed 's/import org.oppia.app.R/import org.oppia.app.vm.R/g' > $(OUTS)
+    ''',
+)
+
+genrule(
+    name = "update_src/main/java/org/oppia/app/parser/StringToFractionParser",
+    srcs = ["src/main/java/org/oppia/app/parser/StringToFractionParser.kt"],
+    outs = ["src/main/java/org/oppia/app/parser/StringToFractionParser_updated.kt"],
+    cmd = '''
+    cat $(SRCS) |
+    sed 's/import org.oppia.app.R/import org.oppia.app.vm.R/g' > $(OUTS)
+    ''',
+)
+
 LISTENER_FILES = [
     "src/main/java/org/oppia/app/home/topiclist/TopicSummaryClickListener.kt",
     "src/main/java/org/oppia/app/administratorcontrols/RouteToAppVersionListener.kt",
@@ -311,7 +333,7 @@ genrule(
     outs = ["src/main/java/org/oppia/app/customview/LessonThumbnailImageView_updated.kt"],
     cmd = '''
     cat $(SRCS) |
-    sed 's/import org.oppia.app.R/import org.oppia.app.vm.R/g' > $(OUTS)
+    sed 's/import org.oppia.app.R/import org.oppia.app.views.R/g' > $(OUTS)
     ''',
 )
 
@@ -321,7 +343,7 @@ genrule(
     outs = ["src/main/java/org/oppia/app/customview/SegmentedCircularProgressView_updated.kt"],
     cmd = '''
     cat $(SRCS) |
-    sed 's/import org.oppia.app.R/import org.oppia.app.vm.R/g' > $(OUTS)
+    sed 's/import org.oppia.app.R/import org.oppia.app.views.R/g' > $(OUTS)
     ''',
 )
 
@@ -331,7 +353,7 @@ genrule(
     outs = ["src/main/java/org/oppia/app/profile/ProfileInputView_updated.kt"],
     cmd = '''
     cat $(SRCS) |
-    sed 's/import org.oppia.app.R/import org.oppia.app.vm.R/g' > $(OUTS)
+    sed 's/import org.oppia.app.R/import org.oppia.app.views.R/g' > $(OUTS)
     ''',
 )
 genrule(
@@ -340,7 +362,7 @@ genrule(
     outs = ["src/main/java/org/oppia/app/utility/ClickableAreasImage_updated.kt"],
     cmd = '''
     cat $(SRCS) |
-    sed 's/import org.oppia.app.R/import org.oppia.app.vm.R/g' > $(OUTS)
+    sed 's/import org.oppia.app.R/import org.oppia.app.views.R/g' > $(OUTS)
     ''',
 )
 
diff --git a/app/src/main/java/org/oppia/app/application/ApplicationComponent.kt b/app/src/main/java/org/oppia/app/application/ApplicationComponent.kt
index c7552b19688..3e60b7c19bf 100644
--- a/app/src/main/java/org/oppia/app/application/ApplicationComponent.kt
+++ b/app/src/main/java/org/oppia/app/application/ApplicationComponent.kt
@@ -4,6 +4,8 @@ import android.app.Application
 import dagger.BindsInstance
 import dagger.Component
 import org.oppia.app.activity.ActivityComponent
+import org.oppia.app.shim.IntentFactoryShimModule
+import org.oppia.app.shim.ViewBindingShimModule
 import org.oppia.data.backends.gae.NetworkModule
 import org.oppia.domain.classify.InteractionsModule
 import org.oppia.domain.classify.rules.continueinteraction.ContinueModule
diff --git a/app/src/main/java/org/oppia/app/home/HomeFragmentPresenter.kt b/app/src/main/java/org/oppia/app/home/HomeFragmentPresenter.kt
index 04724cc9c33..c74eecdee00 100644
--- a/app/src/main/java/org/oppia/app/home/HomeFragmentPresenter.kt
+++ b/app/src/main/java/org/oppia/app/home/HomeFragmentPresenter.kt
@@ -25,6 +25,7 @@ import org.oppia.app.model.Profile
 import org.oppia.app.model.ProfileId
 import org.oppia.app.model.TopicList
 import org.oppia.app.model.TopicSummary
+import org.oppia.app.shim.IntentFactoryShimInterface
 import org.oppia.domain.oppialogger.OppiaLogger
 import org.oppia.domain.profile.ProfileManagementController
 import org.oppia.domain.topic.TopicListController
@@ -46,6 +47,7 @@ class HomeFragmentPresenter @Inject constructor(
   private val oppiaClock: OppiaClock,
   private val logger: ConsoleLogger,
   private val oppiaLogger: OppiaLogger,
+  private val intentFactoryShimInterface: IntentFactoryShimInterface,
   @TopicHtmlParserEntityType private val topicEntityType: String,
   @StoryHtmlParserEntityType private val storyEntityType: String
 ) {
@@ -71,7 +73,11 @@ class HomeFragmentPresenter @Inject constructor(
     logHomeActivityEvent()
 
     welcomeViewModel = WelcomeViewModel()
-    promotedStoryListViewModel = PromotedStoryListViewModel(activity, internalProfileId)
+    promotedStoryListViewModel = PromotedStoryListViewModel(
+      activity,
+      internalProfileId,
+      intentFactoryShimInterface
+    )
     allTopicsViewModel = AllTopicsViewModel()
     itemList.add(welcomeViewModel)
     itemList.add(promotedStoryListViewModel)
@@ -191,14 +197,24 @@ class HomeFragmentPresenter @Inject constructor(
         promotedStoryList.clear()
         if (it.recentStoryCount != 0) {
           it.recentStoryList.take(limit).forEach { promotedStory ->
-            val recentStory = PromotedStoryViewModel(activity, internalProfileId, storyEntityType)
+            val recentStory = PromotedStoryViewModel(
+              activity,
+              internalProfileId,
+              storyEntityType,
+              intentFactoryShimInterface
+            )
             recentStory.setPromotedStory(promotedStory)
             promotedStoryList.add(recentStory)
           }
         } else {
           // TODO(#936): Optimise this as part of recommended stories.
           it.olderStoryList.take(limit).forEach { promotedStory ->
-            val oldStory = PromotedStoryViewModel(activity, internalProfileId, storyEntityType)
+            val oldStory = PromotedStoryViewModel(
+              activity,
+              internalProfileId,
+              storyEntityType,
+              intentFactoryShimInterface
+            )
             oldStory.setPromotedStory(promotedStory)
             promotedStoryList.add(oldStory)
           }
diff --git a/app/src/main/java/org/oppia/app/parser/StringToFractionParser.kt b/app/src/main/java/org/oppia/app/parser/StringToFractionParser.kt
index c57c02310da..e35020ee950 100644
--- a/app/src/main/java/org/oppia/app/parser/StringToFractionParser.kt
+++ b/app/src/main/java/org/oppia/app/parser/StringToFractionParser.kt
@@ -3,7 +3,7 @@ package org.oppia.app.parser
 import android.content.Context
 import androidx.annotation.StringRes
 import org.oppia.app.model.Fraction
-import org.oppia.app.vm.R
+import org.oppia.app.R
 import org.oppia.domain.util.normalizeWhitespace
 
 /** This class contains method that helps to parse string to fraction. */
diff --git a/app/src/main/java/org/oppia/app/parser/StringToNumberParser.kt b/app/src/main/java/org/oppia/app/parser/StringToNumberParser.kt
index 4e255cb70a8..ae51f4d21be 100644
--- a/app/src/main/java/org/oppia/app/parser/StringToNumberParser.kt
+++ b/app/src/main/java/org/oppia/app/parser/StringToNumberParser.kt
@@ -2,7 +2,7 @@ package org.oppia.app.parser
 
 import android.content.Context
 import androidx.annotation.StringRes
-import org.oppia.app.vm.R
+import org.oppia.app.R
 import org.oppia.domain.util.normalizeWhitespace
 
 /** This class contains methods that help to parse string to number, check realtime and submit time errors. */
diff --git a/app/src/main/java/org/oppia/app/player/state/StateFragmentPresenter.kt b/app/src/main/java/org/oppia/app/player/state/StateFragmentPresenter.kt
index 5cf395bfa14..ab8c05bf72b 100755
--- a/app/src/main/java/org/oppia/app/player/state/StateFragmentPresenter.kt
+++ b/app/src/main/java/org/oppia/app/player/state/StateFragmentPresenter.kt
@@ -13,7 +13,7 @@ import androidx.lifecycle.Observer
 import androidx.lifecycle.Transformations
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
-import org.oppia.app.databinding.databinding.StateFragmentBinding
+import org.oppia.app.databinding.StateFragmentBinding
 import org.oppia.app.fragment.FragmentScope
 import org.oppia.app.model.AnswerOutcome
 import org.oppia.app.model.EphemeralState
@@ -28,7 +28,7 @@ import org.oppia.app.player.audio.AudioFragment
 import org.oppia.app.player.audio.AudioUiManager
 import org.oppia.app.player.state.listener.RouteToHintsAndSolutionListener
 import org.oppia.app.player.stopplaying.StopStatePlayingSessionListener
-import org.oppia.app.ui.R
+import org.oppia.app.R
 import org.oppia.app.utility.LifecycleSafeTimerFactory
 import org.oppia.app.utility.SplitScreenManager
 import org.oppia.app.viewmodel.ViewModelProvider
diff --git a/app/src/main/java/org/oppia/app/topic/conceptcard/ConceptCardFragmentPresenter.kt b/app/src/main/java/org/oppia/app/topic/conceptcard/ConceptCardFragmentPresenter.kt
index dfe6da2bb42..1078ae4763a 100644
--- a/app/src/main/java/org/oppia/app/topic/conceptcard/ConceptCardFragmentPresenter.kt
+++ b/app/src/main/java/org/oppia/app/topic/conceptcard/ConceptCardFragmentPresenter.kt
@@ -33,10 +33,11 @@ class ConceptCardFragmentPresenter @Inject constructor(
       container,
       /* attachToRoot= */ false
     )
+    val view = binding.conceptCardExplanationText
     val viewModel = getConceptCardViewModel()
 
     skillId = id
-    viewModel.setSkillIdAndBinding(skillId, binding)
+    viewModel.setSkillIdAndBinding(skillId, view)
     logConceptCardEvent(skillId)
 
     binding.conceptCardToolbar.setNavigationIcon(R.drawable.ic_close_white_24dp)
diff --git a/app/src/main/java/org/oppia/app/topic/revisioncard/RevisionCardFragmentPresenter.kt b/app/src/main/java/org/oppia/app/topic/revisioncard/RevisionCardFragmentPresenter.kt
index 14da3f71517..e9629aa4f14 100755
--- a/app/src/main/java/org/oppia/app/topic/revisioncard/RevisionCardFragmentPresenter.kt
+++ b/app/src/main/java/org/oppia/app/topic/revisioncard/RevisionCardFragmentPresenter.kt
@@ -33,9 +33,10 @@ class RevisionCardFragmentPresenter @Inject constructor(
         container,
         /* attachToRoot= */ false
       )
+    val view = binding.revisionCardExplanationText;
     val viewModel = getReviewCardViewModel()
 
-    viewModel.setSubtopicIdAndBinding(topicId, subtopicId, binding)
+    viewModel.setSubtopicIdAndBinding(topicId, subtopicId, view)
     logRevisionCardEvent(topicId, subtopicId)
 
     binding.let {
diff --git a/app/src/main/java/org/oppia/app/walkthrough/WalkthroughFragmentChangeListener.kt b/app/src/main/java/org/oppia/app/walkthrough/WalkthroughFragmentChangeListener.kt
new file mode 100644
index 00000000000..dc44433ef31
--- /dev/null
+++ b/app/src/main/java/org/oppia/app/walkthrough/WalkthroughFragmentChangeListener.kt
@@ -0,0 +1,7 @@
+package org.oppia.app.walkthrough
+
+/** Listener for when an activity should change a fragment position. */
+interface WalkthroughFragmentChangeListener {
+  fun currentPage(walkthroughPage: Int)
+  fun pageWithTopicId(walkthroughPage: Int, topicId: String)
+}