Java client

import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import io.appium.java_client.android.AndroidDriver;
import io.appium.java_client.android.AndroidKeyCode;
import io.appium.java_client.MobileElement;
import org.openqa.selenium.remote.DesiredCapabilities;
import org.openqa.selenium.By;
import java.util.concurrent.TimeUnit;
import java.net.URL;

public class PlayStoreAutomation {
    public static AndroidDriver<MobileElement> driver;

    @BeforeClass
    public static void setUp() throws Exception {
        DesiredCapabilities capabilities = new DesiredCapabilities();
        capabilities.setCapability("platformName", "Android");
        capabilities.setCapability("deviceName", "Android Device");
        capabilities.setCapability("appPackage", "com.android.vending");
        capabilities.setCapability("appActivity", "com.google.android.finsky.activities.MainActivity");

        driver = new AndroidDriver<MobileElement>(new URL("https://localhost:4723/wd/hub"), capabilities);
        driver.manage().timeouts().implicitlyWait(10, TimeUnit.SECONDS);
    }

    @AfterClass
    public static void tearDown() {
        driver.quit();
    }

    @Test
    public void testPlayStore() throws Exception {
        driver.findElement(By.id("com.android.vending:id/text_container")).sendKeys("Google");
        driver.pressKeyCode(AndroidKeyCode.ENTER);

        // First item in the search result by Xpath
        driver.findElement(By.xpath("//android.support.v7.widget.RecyclerView[1]/android.widget.LinearLayout[1]")).click();
        // Confirm element found
        driver.findElement(By.xpath("//android.widget.TextView[@text='Google']"));
    }
}

<project xmlns="https://maven.apache.org/POM/4.0.0"
         xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>com.tester.appium</groupId>
    <artifactId>tester-tests</artifactId>
    <version>1.0-SNAPSHOT</version>

    <dependencies>
        <dependency>
            <groupId>io.appium</groupId>
            <artifactId>java-client</artifactId>
            <version>4.0.0</version>
        </dependency>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.1</version>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-surefire-plugin</artifactId>
                <version>2.10</version>
                <configuration>
                    <reportsDirectory>${project.build.directory}/reports</reportsDirectory>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>