Merge branch '22-fix-images' into 'master'

Resolve "Fix images"

Closes #22

See merge request !20

android/gradle.properties

 org.gradle.jvmargs=-Xmx1536M
 android.useAndroidX=true
 android.enableJetifier=true
-app.versionName=0.0.15
-app.versionCode=15
+app.versionName=0.0.16
+app.versionCode=16