diff --git a/lib/pages/games.rb b/lib/pages/games.rb
index d9b5274..c2b73be 100644
--- a/lib/pages/games.rb
+++ b/lib/pages/games.rb
@@ -65,7 +65,7 @@ module W3DHubLauncher
         @game_content_container.clear do
           flow(fill: true, height: 1.0, scroll: true, tag: :hi_mom) do |e|
             @games.each do |app|
-              image safe_get_image("#{ROOT_PATH}/media/co1oqw.png"), aspect_ratio: 3 / 4.0, width: 1.0 / game_cover_width_ratio(e), margin_left: HALF_PADDING, margin_right: HALF_PADDING, margin_bottom: PADDING, tip: app.name
+              image safe_get_image("#{ROOT_PATH}/media/default_game_cover.png"), aspect_ratio: 3 / 4.0, width: 1.0 / game_cover_width_ratio(e), margin_left: HALF_PADDING, margin_right: HALF_PADDING, margin_bottom: PADDING, tip: app.name
             end
 
             e.subscribe(:size_changed) do |e|
@@ -184,7 +184,9 @@ module W3DHubLauncher
             elsif @current_app.servicable?
               # pp @current_app
               button "Import", enabled: false, tip: "Import existing application installation", fill: true, height: 1.0, background_nine_slice: NINE_SLICE_ROUNDED_LEFT, **CTA_BUTTON_THEME
-              button "Download", tip: "Download and install application", fill: true, height: 1.0, background_nine_slice: NINE_SLICE_ROUNDED_RIGHT, **CTA_BUTTON_THEME
+              button "Download", tip: "Download and install application", fill: true, height: 1.0, background_nine_slice: NINE_SLICE_ROUNDED_RIGHT, **CTA_BUTTON_THEME do
+                Worker::Api.install_application(@current_app.id, @current_channel.id)
+              end
             else
               button "Import", enabled: false, tip: "Import existing application installation", fill: true, height: 1.0, **CTA_BUTTON_THEME
             end
diff --git a/lib/worker.rb b/lib/worker.rb
index ff6fef0..a378228 100644
--- a/lib/worker.rb
+++ b/lib/worker.rb
@@ -8,6 +8,8 @@ module W3DHubLauncher
 
     Response = Data.define(:status, :request_id, :result)
 
+    attr_reader :w3dhub_api
+
     def initialize
     end
 
@@ -29,6 +31,7 @@ module W3DHubLauncher
     def init_server
       @threads = []
       @requests = []
+      @tasks = []
 
       @client = nil
 
@@ -369,19 +372,32 @@ module W3DHubLauncher
       deliver_response(response.result, query)
     end
 
-    def install_application(query)
+    def task_install_application(query)
+      application = @w3dhub_api.applications.find { |app| app.id == query.data["app_id"] }
+      channel = application.channels.find { |chan| chan.id == query.data["channel_id"] }
+
+      @tasks << Task::InstallApplication.new(
+        request_id: query.request_id,
+        application: application,
+        channel: channel,
+        installed_version: nil,
+        target_version: channel.version
+      )
+      @tasks.last.start(self)
+
+      Response.new(Request::STATUS_PENDING, query.request_id, CyberarmEngine::Result.new(data: true))
     end
 
-    def update_application(query)
+    def task_update_application(query)
     end
 
-    def repair_application(query)
+    def task_repair_application(query)
     end
 
-    def move_application(query)
+    def task_move_application(query)
     end
 
-    def uninstall_application(query)
+    def task_uninstall_application(query)
     end
   end
 end
diff --git a/lib/worker/api.rb b/lib/worker/api.rb
index 8c120fc..f6607a0 100644
--- a/lib/worker/api.rb
+++ b/lib/worker/api.rb
@@ -65,31 +65,36 @@ module W3DHubLauncher
       # request installation of application
       #
       # periodically reports progress until completion
-      def self.install_application(app_id, channel_id)
+      def self.install_application(app_id, channel_id, &block)
+        Worker::Request.new(:task_install_application, { app_id: app_id, channel_id: channel_id }, &block)
       end
 
       # request update of application
       #
       # periodically reports progress until completion
-      def self.update_application(app_id, channel_id)
+      def self.update_application(app_id, channel_id, &block)
+        Worker::Request.new(:task_update_application, { app_id: app_id, channel_id: channel_id }, &block)
       end
 
       # request repair of application
       #
       # periodically reports progress until completion
-      def self.repair_application(app_id, channel_id)
+      def self.repair_application(app_id, channel_id, &block)
+        Worker::Request.new(:task_repair_application, { app_id: app_id, channel_id: channel_id }, &block)
       end
 
       # request relocation of application
       #
       # periodically reports progress until completion
-      def self.move_application(app_id, channel_id)
+      def self.move_application(app_id, channel_id, target_directory, &block)
+        Worker::Request.new(:task_move_application, { app_id: app_id, channel_id: channel_id, target_directory: target_directory }, &block)
       end
 
       # request removal of application
       #
       # periodically reports progress until completion
-      def self.uninstall_application(app_id, channel_id)
+      def self.uninstall_application(app_id, channel_id, &block)
+        Worker::Request.new(:task_uninstall_application, { app_id: app_id, channel_id: channel_id }, &block)
       end
     end
   end
diff --git a/lib/worker/task.rb b/lib/worker/task.rb
index 9f16fa5..2977b4f 100644
--- a/lib/worker/task.rb
+++ b/lib/worker/task.rb
@@ -1,4 +1,84 @@
 module W3DHubLauncher
   class Task
+    attr_reader :request_id, :application, :channel, :installed_version, :target_version
+
+    def initialize(request_id:, application:, channel:, installed_version:, target_version:)
+      @request_id = request_id
+      @application = application
+      @channel = channel
+      @installed_version = installed_version
+      @target_version = target_version
+
+      pp self
+
+      setup
+    end
+
+    def setup
+    end
+
+    def start(worker)
+      @worker =  worker
+
+      execute
+    end
+
+    def fetch_manifests(version = @target_version)
+      result = fetch_manifest(version)
+      if result.okay?
+        pp result
+      else
+        pp [:error, result]
+      end
+    end
+
+    def fetch_manifest(version)
+      @worker.w3dhub_api.fetch_package_details([{category: "games", subcategory: @application.id, name: "manifest.xml", version: version }])
+    end
   end
 end
+
+def execute_task
+  show_application_taskbar
+
+  fail_fast
+  return false if failed?
+
+  fetch_manifests
+  return false if failed?
+
+  build_package_list
+  return false if failed?
+
+  remove_deleted_files
+  return false if failed?
+
+  verify_files
+  return false if failed?
+
+  fetch_packages
+  return false if failed?
+
+  verify_packages
+  return false if failed?
+
+  unpack_packages
+  return false if failed?
+
+  create_wine_prefix
+  return false if failed?
+
+  install_dependencies
+  return false if failed?
+
+  write_paths_ini
+  return false if failed?
+
+  mark_application_installed
+  return false if failed?
+
+  sleep 1
+  hide_application_taskbar
+
+  true
+end
diff --git a/lib/worker/tasks/install_application.rb b/lib/worker/tasks/install_application.rb
index e69de29..9f359e1 100644
--- a/lib/worker/tasks/install_application.rb
+++ b/lib/worker/tasks/install_application.rb
@@ -0,0 +1,26 @@
+module W3DHubLauncher
+  class Task
+    class InstallApplication < Task
+      def setup
+      end
+
+      def execute
+        # TODO:
+        # fail_fast
+
+        # fetch manifests for currently installed version
+        # AND the target version so we can detect files that need to be removed
+        # between versions
+        manifests_result = fetch_manifests
+        abort_task!(manifests_result) unless manifests_result.okay?
+
+        package_list_result = build_package_list(manifests_result)
+        abort_task!(package_list_result) unless package_list_result.okay?
+
+        # remove_deleted_files
+
+        verify_files
+      end
+    end
+  end
+end
diff --git a/lib/worker/w3dhub_api.rb b/lib/worker/w3dhub_api.rb
index 52d3e7f..0b15d94 100644
--- a/lib/worker/w3dhub_api.rb
+++ b/lib/worker/w3dhub_api.rb
@@ -6,9 +6,13 @@ module W3DHubLauncher
     PRIMARY_W3DHUB_API_ENDPOINT = "https://secure.w3dhub.com".freeze
     ALTERNATIVE_W3DHUB_API_ENDPOINT = "https://backend.w3d.cyberarm.dev".freeze
 
+    attr_reader :applications
+
     def initialize
       @access_token = nil
 
+      @applications = []
+
       @http_clients = {}
     end
 
@@ -33,7 +37,7 @@ module W3DHubLauncher
       Sync do |task|
         task.with_timeout(API_TIMEOUT) do
           Async::HTTP::Internet.send(method, url, headers, body) do |response|
-            # pp [method, url, headers, body]
+            pp [method, url, headers, body, response]
             if response.success?
               result.data = response.read
             else
@@ -104,23 +108,31 @@ module W3DHubLauncher
       primary_result = @access_token ? fetch("#{PRIMARY_W3DHUB_API_ENDPOINT}/apis/launcher/1/get-applications") : CyberarmEngine::Result.new(error: true)
       alternate_result = fetch("#{ALTERNATIVE_W3DHUB_API_ENDPOINT}/apis/launcher/1/get-applications")
 
+      single_source = false
+
       # We've failed to retrieve data
       if primary_result.error? && alternate_result.error?
         return result
       # We've only gotten data back from the primary backend
       elsif primary_result.okay? && alternate_result.error?
         result.data = primary_result.data
-        return result
+        single_source = true
       # We've only gotten data back from the alternate backend
       elsif primary_result.error? && alternate_result.okay?
         result.data = alternate_result.data
-        return result
+        single_source = true
       end
 
-      # We've gotten data back from both backends, merge them.
-      # pp [primary_result, alternate_result]
+      unless single_source
+        puts "FIXME: merge applications source"
+        # We've gotten data back from both backends, merge them.
+        # pp [primary_result, alternate_result]
+
+        # FIXME: Merge primary and alternate results
+      end
+
+      @applications = JSON.parse(result.data)["applications"]&.map { |app| W3DHubLauncher::Worker::Api::Application.new(app) } || []
 
-      # FIXME: Merge primary and alternate results
       result
     end
 
@@ -140,15 +152,12 @@ module W3DHubLauncher
       result = CyberarmEngine::Result.new
     end
 
-    def fetch_manifests()
-      result = CyberarmEngine::Result.new
+    def fetch_package_details(packages)
+      body = URI.encode_www_form("data": JSON.dump({ packages: packages }))
+      fetch("#{@access_token ? PRIMARY_W3DHUB_API_ENDPOINT : ALTERNATIVE_W3DHUB_API_ENDPOINT}/apis/launcher/1/get-package-details", method: :post, body: body, headers: headers(form_encoded: true))
     end
 
-    def fetch_package_details()
-      result = CyberarmEngine::Result.new
-    end
-
-    def fetch_package()
+    def download_package()
       download()
     end
   end
diff --git a/media/game_cover.png b/media/default_game_cover.png
similarity index 100%
rename from media/game_cover.png
rename to media/default_game_cover.png
diff --git a/media/default_map_preview.png b/media/default_map_preview.png
new file mode 100644
index 0000000..a15a2d8
Binary files /dev/null and b/media/default_map_preview.png differ