I take 4 steps to build that apps or describe the concept of making any android apps , I also show how you accomplish that things step by step.

1st:

I just draw a concept using my mobile phone. I use oneNote but you can use similer something me like google keep.I describe my process in a video tutorials below. Here is my concept.

2nd :

I just tweak it in photoshop for a butter view but it will help you to devlope visul design from here.
Here is my concept of photoshop.

3rd:

this video will demonstrate how you do things step by step.
Here is my video How I do it:

4th:

this code will give the look to your apps.
Here is my Code:

<?xml version=”1.0″ encoding=”utf-8″?>
<android.support.constraint.ConstraintLayout xmlns:android=”http://schemas.android.com/apk/res/android&#8221;
xmlns:app=”http://schemas.android.com/apk/res-auto&#8221;
xmlns:tools=”http://schemas.android.com/tools&#8221;
android:layout_width=”match_parent”
android:layout_height=”match_parent”
tools:context=”com.sushenbiswas.lifetree.MainActivity”>

<ImageView
android:layout_width=”match_parent”
android:layout_height=”match_parent”
android:src=”@drawable/tree”
android:scaleType=”centerCrop”
android:alpha=”0.3″/>
<LinearLayout
android:layout_width=”match_parent”
android:layout_height=”match_parent”
android:orientation=”vertical”>

<TextView
android:layout_width=”match_parent”
android:layout_height=”wrap_content”
android:text=”Tree of life”
app:layout_constraintTop_toTopOf=”parent”
android:fontFamily=”sans-serif”
android:textSize=”40sp”
android:textAllCaps=”true”
android:textStyle=”bold”
android:padding=”8dp”
android:background=”@android:color/holo_blue_bright”
android:layout_weight=”2″
android:alpha=”0.8″
android:gravity=”center”/>
<TextView
android:layout_width=”match_parent”
android:layout_height=”wrap_content”
android:text=”Early Life”
android:fontFamily=”sans-serif”
android:textSize=”36sp”
app:layout_constraintBottom_toBottomOf=”parent”
app:layout_constraintLeft_toLeftOf=”parent”
app:layout_constraintTop_toTopOf=”parent”
android:padding=”8dp”
android:layout_weight=”1″
android:gravity=”center”
android:background=”@android:color/holo_blue_bright”
android:alpha=”0.5″

/>
<TextView
android:layout_width=”match_parent”
android:layout_height=”wrap_content”
android:text=”School”
android:fontFamily=”sans-serif”
android:textSize=”36sp”
app:layout_constraintBottom_toBottomOf=”parent”
app:layout_constraintRight_toRightOf=”parent”
app:layout_constraintTop_toTopOf=”parent”
android:padding=”8dp”
android:layout_weight=”1″
android:gravity=”center”
android:background=”@android:color/holo_blue_bright”
android:alpha=”0.6″/>
<TextView
android:layout_width=”match_parent”
android:layout_height=”wrap_content”
android:text=”Job”
android:fontFamily=”sans-serif”
android:textSize=”36sp”
app:layout_constraintBottom_toBottomOf=”parent”
app:layout_constraintLeft_toLeftOf=”parent”
android:padding=”8dp”
android:layout_weight=”1″
android:gravity=”center”
android:background=”@android:color/holo_blue_bright”
android:alpha=”0.7″
/>
<TextView
android:layout_width=”match_parent”
android:layout_height=”wrap_content”
android:text=”Own Bisiness”
android:fontFamily=”sans-serif”
android:textSize=”36sp”
app:layout_constraintBottom_toBottomOf=”parent”
app:layout_constraintRight_toRightOf=”parent”
android:padding=”8dp”
android:layout_weight=”1″
android:gravity=”center”
android:background=”@android:color/holo_blue_bright”
android:alpha=”0.8″/>

</LinearLayout>

</android.support.constraint.ConstraintLayout>