Gradle version updates, remove ads, and other changes for successful compilations.

app/build.gradle

@@ -1,8 +1,8 @@
 apply plugin: 'com.android.application'
 
 android {
+    namespace "com.hyperling.apps.games"
     compileSdkVersion 36
-    buildToolsVersion "24.0.2"
     defaultConfig {
         applicationId "apps.hyperling.com.platformer"
         minSdkVersion 14
@@ -20,11 +20,19 @@ android {
 }
 
 dependencies {
+    /*
     compile fileTree(dir: 'libs', include: ['*.jar'])
     androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
         exclude group: 'com.android.support', module: 'support-annotations'
     })
     compile 'com.android.support:appcompat-v7:24.2.1'
-    compile 'com.google.android.gms:play-services-ads:9.8.0'
     testCompile 'junit:junit:4.12'
+    */
+
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    androidTestImplementation('com.android.support.test.espresso:espresso-core:2.2.2', {
+        exclude group: 'com.android.support', module: 'support-annotations'
+    })
+    // https://mvnrepository.com/artifact/com.android.support/appcompat-v7
+    implementation group: 'com.android.support', name: 'appcompat-v7', version: '28.0.0'
 }