Android app load so slow 0.25.2

[chenjijun]

import flet as ft
import requests
import random
import re

sample_media = []
url = 'http://x.x.x.x:8084/test/'
respones = requests.get(url)
print(respones.text)
for line in respones.text.splitlines():
if '.mp4' in line or '.avi' in line:
sample_media.append(ft.VideoMedia(
url + re.findall('>(.+)',line)[0]
))

def main(page: ft.Page):
page.theme_mode = ft.ThemeMode.LIGHT
page.title = "TheEthicalVideo"
page.window.always_on_top = True
page.spacing = 20
page.horizontal_alignment = ft.CrossAxisAlignment.CENTER

def handle_next(e):
    video.next()
    print("Video.next()")

def handle_previous(e):
    video.previous()
    print("Video.previous()")



page.add(
    video := ft.Video(
        expand=True,
        playlist=sample_media,
        playlist_mode=ft.PlaylistMode.LOOP,
        fill_color=ft.Colors.BLUE_400,
        aspect_ratio=16/9,
        volume=100,
        autoplay=True,
        filter_quality=ft.FilterQuality.HIGH,
        muted=False,
        show_controls=True,
        shuffle_playlist=True,
    ),
    ft.Row(
        wrap=True,
        alignment=ft.MainAxisAlignment.CENTER,
        controls=[
            ft.Button(
                "last",
                on_click=handle_previous
            ),
            ft.Button(
                "next",
                on_click=handle_next
            ),
        ],
    ),

)

ft.app(target=main)

I packet those code as a android apk， install it in a TV （android 9 4 core a53 1gb ram）， it start very slow ， when i run app it .it will show 20s wihte screen then into main page.
How could i make it run faster