npm install --save react-native-marquee
or
yarn add react-native-marquee

import React, { Component } from 'react';
import { StyleSheet, View } from 'react-native';
import MarqueeText from 'react-native-marquee';

export default class MarqueeTextSample extends Component {
  render() {
    return (
      <View style={styles.container}>
        <MarqueeText
          style={{ fontSize: 24 }}
          duration={3000}
          marqueeOnStart
          loop
          marqueeDelay={1000}
          marqueeResetDelay={1000}
        >
          Lorem Ipsum is simply dummy text of the printing and typesetting industry and typesetting industry.
        </MarqueeText>
      </View>
    );
  }
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
    justifyContent: 'center',
  },
});